Usually a hydroxide of lithium, sodium, potassium, rubidium or cesium, but also the carbonates of these metals, ammonia, and the amines. (Grant & Hackh's Chemical Dictionary, 5th ed)
The generic term for salts derived from silica or the silicic acids. They contain silicon, oxygen, and one or more metals, and may contain hydrogen. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th Ed)
A generic term for a variety of compounds that contain silicon, oxygen, and magnesium, and may contain hydrogen. Examples include TALC and some kinds of ASBESTOS.
Works containing information articles on subjects in every field of knowledge, usually arranged in alphabetical order, or a similar work limited to a special field or subject. (From The ALA Glossary of Library and Information Science, 1983)
Transparent, tasteless crystals found in nature as agate, amethyst, chalcedony, cristobalite, flint, sand, QUARTZ, and tridymite. The compound is insoluble in water or acids except hydrofluoric acid.
Inorganic compounds that contain calcium as an integral part of the molecule.
A relatively hard, translucent, restorative material used primarily in anterior teeth. (From Boucher's Clinical Dental Terminology, 4th ed, p50)
A hydrated form of silicon dioxide. It is commonly used in the manufacture of TOOTHPASTES and as a stationary phase for CHROMATOGRAPHY.
Metals that constitute group 1(formerly group Ia) of the periodic table. They are the most strongly electropositive of the metals. Note that HYDROGEN is not considered an alkali metal even though it falls under the group 1 heading in the periodic table.
The study of the physical and chemical properties of a drug and its dosage form as related to the onset, duration, and intensity of its action.
Process that is gone through in order for a drug to receive approval by a government regulatory agency. This includes any required pre-clinical or clinical testing, review, submission, and evaluation of the applications and test results, and post-marketing surveillance of the drug.
Drugs intended for human or veterinary use, presented in their finished dosage form. Included here are materials used in the preparation and/or formulation of the finished dosage form.
Chemicals used in agriculture. These include pesticides, fumigants, fertilizers, plant hormones, steroids, antibiotics, mycotoxins, etc.
The structural parts of the VIRION.
Substances that comprise all matter. Each element is made up of atoms that are identical in number of electrons and protons and in nuclear charge, but may differ in mass or number of neutrons.
Electropositive chemical elements characterized by ductility, malleability, luster, and conductance of heat and electricity. They can replace the hydrogen of an acid and form bases with hydroxyl radicals. (Grant & Hackh's Chemical Dictionary, 5th ed)
A member of the alkali metals. It has an atomic symbol Cs, atomic number 50, and atomic weight 132.91. Cesium has many industrial applications, including the construction of atomic clocks based on its atomic vibrational frequency.
An element in the alkali metals family. It has the atomic symbol Li, atomic number 3, and atomic weight [6.938; 6.997]. Salts of lithium are used in treating BIPOLAR DISORDER.
An element that is an alkali metal. It has an atomic symbol Rb, atomic number 37, and atomic weight 85.47. It is used as a chemical reagent and in the manufacture of photoelectric cells.
Metals that constitute the group 2 (formerly group IIa) of the periodic table.
Positively charged atoms, radicals or group of atoms with a valence of plus 1, which travel to the cathode or negative pole during electrolysis.
A plant family of the order Santalales, subclass Rosidae, class Magnoliopsida. They are parasites that form connections (haustoria) to their hosts to obtain water and nutrients. The one-seeded fruit may be surrounded by a brightly colored nut-like structure.
The resistance that a gaseous or liquid system offers to flow when it is subjected to shear stress. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)
A milky, product excreted from the latex canals of a variety of plant species that contain cauotchouc. Latex is composed of 25-35% caoutchouc, 60-75% water, 2% protein, 2% resin, 1.5% sugar & 1% ash. RUBBER is made by the removal of water from latex.(From Concise Encyclopedia Biochemistry and Molecular Biology, 3rd ed). Hevein proteins are responsible for LATEX HYPERSENSITIVITY. Latexes are used as inert vehicles to carry antibodies or antigens in LATEX FIXATION TESTS.
Compounds formed by the joining of smaller, usually repeating, units linked by covalent bonds. These compounds often form large macromolecules (e.g., BIOPOLYMERS; PLASTICS).
Exclusive legal rights or privileges applied to inventions, plants, etc.
Substances intended to be applied to the human body for cleansing, beautifying, promoting attractiveness, or altering the appearance without affecting the body's structure or functions. Included in this definition are skin creams, lotions, perfumes, lipsticks, fingernail polishes, eye and facial makeup preparations, permanent waves, hair colors, toothpastes, and deodorants, as well as any material intended for use as a component of a cosmetic product. (U.S. Food & Drug Administration Center for Food Safety & Applied Nutrition Office of Cosmetics Fact Sheet (web page) Feb 1995)
Abnormally high level of calcium in the blood.
Carbonic acid calcium salt (CaCO3). An odorless, tasteless powder or crystal that occurs in nature. It is used therapeutically as a phosphate buffer in hemodialysis patients and as a calcium supplement.
A characteristic symptom complex.
Pathologic deposition of calcium salts in tissues.
A gamma-emitting radionuclide imaging agent used primarily in skeletal scintigraphy. Because of its absorption by a variety of tumors, it is useful for the detection of neoplasms.
A syndrome characterized by marked limitation of abduction of the eye, variable limitation of adduction and retraction of the globe, and narrowing of the palpebral fissure on attempted adduction. The condition is caused by aberrant innervation of the lateral rectus by fibers of the OCULOMOTOR NERVE.
Pathological processes involving any part of the LUNG.
An element in the alkali group of metals with an atomic symbol K, atomic number 19, and atomic weight 39.10. It is the chief cation in the intracellular fluid of muscle and other cells. Potassium ion is a strong electrolyte that plays a significant role in the regulation of fluid volume and maintenance of the WATER-ELECTROLYTE BALANCE.
Persons living in the United States having origins in any of the black groups of Africa.
A mixture of liquid hydrocarbons obtained from petroleum. It is used as laxative, lubricant, ointment base, and emollient.
A mixture of solid hydrocarbons obtained from petroleum. It has a wide range of uses including as a stiffening agent in ointments, as a lubricant, and as a topical anti-inflammatory. It is also commonly used as an embedding material in histology.
Elements that constitute group 18 (formerly the zero group) of the periodic table. They are gases that generally do not react chemically.
Complex petroleum hydrocarbons consisting mainly of residues from crude oil distillation. These liquid products include heating oils, stove oils, and furnace oils and are burned to generate energy.
Unstable isotopes of rubidium that decay or disintegrate emitting radiation. Rb atoms with atomic weights 79-84, and 86-95 are radioactive rubidium isotopes.
Non-frontal low-pressure systems over tropical or sub-tropical waters with organized convection and definite pattern of surface wind circulation.
The most abundant natural aromatic organic polymer found in all vascular plants. Lignin together with cellulose and hemicellulose are the major cell wall components of the fibers of all wood and grass species. Lignin is composed of coniferyl, p-coumaryl, and sinapyl alcohols in varying ratios in different plant species. (From Merck Index, 11th ed)
A radiation-protective agent that interferes with sulfhydryl enzymes. It may also protect against carbon tetrachloride liver damage.
Substances used to destroy or inhibit the action of rats, mice, or other rodents.
Organic salts of cyanic acid containing the -OCN radical.
Derivatives of acetamide that are used as solvents, as mild irritants, and in organic synthesis.
Cyclic hydrocarbons that contain multiple rings and share one or more atoms.
Organic compounds that contain the -NCO radical.

A new alkali-resistant hemoglobin alpha2J Oxford gammaF2 in a Sicilian baby girl with homozygous beta0 thalassemia. (1/541)

A 10-mo-old baby girl with homozygous beta0 thalassemia and alphaJOxford, presenting the clinical picture of homozygous beta thalassemia is described. Hemoglobin electrophoresis showed three bands: the first two with the mobilities of hemoglobin Hb A2 (1%) and Hb F (69%), respectively, the third migrating a little faster than Hb A (30%). About 30% of her alpha chains were J Oxford which, bound to her gamma chains, produced a new alkali-resistant hemoglobin, alpha2 J Oxford gamma F2, which has not been described previously. Hemoglobin synthesis in vitro showed the absence of beta chain synthesis and an alpha/non-alpha ratio of 2. The patient's father was heterozygous for both the Hb J Oxford and beta0 thalassemia genes, the mother a carrier of beta0 thalassemia; four other relatives were carriers of Hb J Oxford, and one was a carrier of beta thalassemia.  (+info)

Alkali-treated collagen retained the triple helical conformation and the ligand activity for the cell adhesion via alpha2beta1 integrin. (2/541)

Alkaline treatment is a good method for extracting collagen with high recovery even from an aged animal specimen. However, the properties of collagen treated under alkaline conditions have not been well established yet. By the treatment with a solution of 3% sodium hydroxide and 1.9% monomethylamine, the isoelectric point of type I collagen was lowered from 9.3 to 4.8 because of the conversions of Asn and Gln to Asp and Glu. With the acidification of the pI, the denaturation temperature of the collagen was decreased from 42 to 35 degrees C after 20 d treatment, but the collagen-specific triple helical conformation was maintained. Human keratinocytes and fibroblasts adhered to the alkali-treated collagen via the collagen receptor integrin alpha2beta1. This indicates that the alkali-treated collagen maintained its property as a biological adherent molecule. Unlike acid-soluble collagen, alkali-treated collagen lost the ability to form fibrils at neutral pH under physiological conditions. This ability was lost even after 4 h of alkaline treatment, when the denaturation temperature of the collagen did not change. On the other hand, the alkali-treated collagen formed a fibrous precipitate with a uniform diameter of 50-70 nm under acidic conditions at 30 degrees C.  (+info)

Meningitis caused by an alkali-producing pseudomonad. (3/541)

The clinical and microbiological features of a case of meningitis, due to an alkali-producing pseudomonad which closely resembles Pseudomonas pseudoalcaligenes, are described. A respiratory infection and a course of antibiotic therapy before admission to hospital may have been predisposing factors to opportunistic infection by this normally saprophytic organism. The problems of identifying alkali-producing pseudomonads are discussed.  (+info)

Replication of African swine fever virus DNA in infected cells. (4/541)

We have examined the ultrastructural localization of African swine fever virus DNA in thin-sections of infected cells by in situ hybridization and autoradiography. Virus-specific DNA sequences were found in the nucleus of infected Vero cells at early times in the synthesis of the viral DNA, forming dense foci localized in proximity to the nuclear membrane. At later times, the viral DNA was found exclusively in the cytoplasm. Electron microscopic autoradiography of African swine fever virus-infected macrophages showed that the nucleus is also a site of viral DNA replication at early times. These results provide further evidence of the existence of nuclear and cytoplasmic stages in the synthesis of African swine fever virus DNA. On the other hand, alkaline sucrose sedimentation analysis of the replicative intermediates synthesized in the nucleus and cytoplasm of infected macrophages showed that small DNA fragments ( approximately 6-12S) were synthesized in the nucleus at an early time, whereas at later times, larger fragments of approximately 37-49S were labeled in the cytoplasm. Pulse-chase experiments demonstrated that these fragments are precursors of the mature cross-linked viral DNA. The formation of dimeric concatemers, which are predominantly head-to-head linked, was observed by pulsed-field electrophoresis and restriction enzyme analysis at intermediate and late times in the replication of African swine fever virus DNA. Our findings suggest that the replication of African swine fever virus DNA proceeds by a de novo start mechanism with the synthesis of small DNA fragments, which are then converted into larger size molecules. Ligation or further elongation of these molecules would originate a two-unit concatemer with dimeric ends that could be resolved to generate the genomic DNA by site-specific nicking, rearrangement, and ligation as has been proposed in the de novo start model of Baroudy et al. (B. M. Baroudy, S. Venkatesam, and B. Moss, 1982, Cold Spring Harbor Symp. Quant. Biol. 47, 723-729) for the replication of vaccinia virus DNA.  (+info)

Isolation and characterization of proteoglycans from human follicular fluid. (5/541)

Two proteoglycans differing in size and composition were isolated from human follicular fluid. The larger one of high density had a molecular mass of 3.0x10(6) Da, as determined by laser light-scattering, and was substituted with 15-20 chondroitin sulphate (CS) chains (Mr 60000-65000). Half of the CS disaccharides were 6-sulphated, whereas the remaining ones were non-sulphated. Digestion of the CS proteoglycan with chondroitinase ABC lyase, followed by SDS/PAGE, yielded a protein core of 600 to 700 kDa including substituted oligosaccharides, and a band of 70 kDa that was identified as the heavy-chain component of the inter-alpha-trypsin inhibitor (ITI). Western blotting of the CS proteoglycan showed that this had reactivity with antibodies raised against human versican. Electron microscopy (EM) of the CS proteoglycan also revealed a versican-like structure, with one globular domain at each end of a long extended segment substituted with CS side chains, as well as a structure interpreted as being the heavy chain of ITI attached to CS chains. Laser light-scattering revealed that the smaller proteoglycan had a molecular mass of 1. 1x10(6) Da, and EM demonstrated that it had a globular-protein core structure. The core protein, which showed immunological reactivity with perlecan antibodies, was substituted with approximately seven heparan sulphate (HS) and CS chains of similar size (50-55 kDa), the CS disaccharides being mainly 6-sulphated (68%), with a small proportion being 4-sulphated. The protein core was shown to be heterogeneous, with bands occurring at 215, 330 and 400 kDa after enzymic degradation of the glycosaminoglycan chains followed by SDS/PAGE analysis. The demonstration of intact molecules and fragments obtained after stepwise degradations, as shown by gel chromatography, supported a 'composite' structure of this proteoglycan.  (+info)

Isolation and properties of Enterococcus hirae mutants defective in the potassium/proton antiport system. (6/541)

A K+/H+ antiporter regulates cytoplasmic pH in Enterococcus hirae growing at alkaline pH. Mutants defective in this antiport activity were alkaline pH sensitive. One mutant, Pop1, lacked both K+/methylamine exchange at pH 9.5 and concomitant acidification of cytoplasmic pH. Pop1 grew well at pHs below 8 but did not at pHs above 9, conditions under which cytoplasmic pH was not fully acidified.  (+info)

Interaction of collagen molecules from the aspect of fibril formation: acid-soluble, alkali-treated, and MMP1-digested fragments of type I collagen. (7/541)

Collagen type I extracted with acid or digested with pepsin forms fibrils under physiological conditions, but this ability is lost when the collagen is treated with alkaline solution or digested with matrix metalloproteinase 1 (MMP1). When acid-soluble collagen was incubated with alkali-treated collagen, the fibril formation of acid-soluble collagen was inhibited. At 37 degrees C, at which alkali-treated collagen is denatured, the lag time was prolonged but the growth rate of fibrils was not affected. At 30 degrees C, at which the triple helical conformation of alkali-treated collagen is retained, the lag time was prolonged and the growth rate reduced. Heat-denatured alkali-treated collagen and MMP1-digested fragments have no inhibitory effect on the fibril formation of acid-soluble collagen. This means that the triple helical conformation and the molecular length are important factors in the interaction of collagen molecules and that alkali-treated collagen acts as a competitive inhibitor for fibril formation of collagen. We found that alkali-treated collagen and MMP1-digested fragments form fibrils that lack the D periodic banding pattern and twisted morphology under acidic conditions at the appropriate ionic strength. We also calculated the relative strengths of hydrophobic and electrostatic interactions between collagen molecules. When the hydrophobic interaction between linear collagen molecules was considered, we found a pattern of periodic maximization of the interactive force including the D period. On the other hand, the electrostatic interaction did not show the periodic pattern, but the overall interaction score affected fibril formation.  (+info)

Analysis of the in vivo interaction between a basic repressor and an acidic activator. (8/541)

The artificial basic repressor SSB24 represses transcription of a reporter construct activated by GCN4. We show that the positively charged SSB24 and the negatively charged acidic activator GCN4 interact in vitro and in vivo. However, deleting the interaction domain from the GCN4 activator does not result in loss of repression by SSB24. Similarly, transcription activated by the holoenzyme component SRB2 is repressed, although SSB24 and SRB2 do not interact. Repression by SSB24 therefore does not depend on the observed protein-protein interaction between SSB24 and GCN4.  (+info)

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Looking for alkalis, alkalies? Find out information about alkalis, alkalies. hydroxide hydroxide , chemical compound that contains the hydroxyl radical. The term refers especially to inorganic compounds. Organic compounds that have... Explanation of alkalis, alkalies
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1988 (English)In: Applied Microbiology and Biotechnology, ISSN 0175-7598, E-ISSN 1432-0614, Vol. 28, no 3, 305-310 p.Article in journal (Refereed) Published ...
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L to D isomerization of amino acids in a commercially prepared alkali-treated food-grade soy isolate was investigated. A soy flour product was also investigated as a control which had not been alkali treated. Methionine and valine collected from two soy flour and two soy isolate samples were coupled with L-leucine-N-carboxyanhydride.. If both D- and L-forms were present this would produce diastereomeric dipeptide derivatives. The derivatives were separated by ion-exchange chromatography using a TSM Amino Acid Analyzer. Comparison of the sample methionine and valine dipeptide peaks to standard dipeptide peaks revealed the presence of L-valine, L-methionine and D-methionine in both soy flour and soy isolate samples. Methionine was substantially isomerized in both products. D-valine was not observed in either soy flour or soy isolate samples. Thus, isomerization of methionine appeared to occur at a faster rate than valine. Acid hydrolysis, toasting of soy meal, and alkaline treatment are all ...
Looking for alkalinity? Find out information about alkalinity. The property of having excess hydroxide ions in solution. A unit of illumination equal to 1 lumen per square centimeter. Abbr. ph Explanation of alkalinity
According to Clapham, it has long been known that a spermatozoa s arrival in the alkaline environment of the female reproductive tract triggers its tail s whiplike motion, called hyperactivation. In 2001, the researchers showed that a protein called CatSper1, found only in the sperm tail, was required for male fertility. Subsequently, with colleagues at the University of Washington and at the University of Texas Southwestern, CatSper was found to be required for hyperactivation. CatSper proteins are components of pores in the sperm cell membrane called ion channels. In an alkaline environment, these pores open and allow calcium to enter the cell ...
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La respuesta de adaptación de la levadura Saccharomyces cerevisiae a la alcalinización ambiental provoca una remodelación de su expresión génica. Una diana clave es el gen ENA1 que codifica una ATPasa de sodio, y cuya inducción por pH alcalino está mediada por las vías de calcineurina y el Rim101. En un estudio previo se identificaron dos regiones del promotor de ENA1 responsables de su respuesta al álcali, la ARR1 (Alkaline Responsive Region 1) que es calcineurina-dependiente y ARR2 que es calcineurina-independiente. En este trabajo restringimos la región responsable de la respuesta alcalina de ARR2 a un pequeño fragmento de 42 nucleótidos que denominamos MCIR (por Minimum Calcineurin Independent Response). MCIR contiene un elemento MIG, capaz de unir a los represores Mig1 y Mig2. Observamos que la respuesta a pH alcalino de la MCIR se anula en células que carecen de Snf1, la quinasa que regula la actividad represora de Mig1 en función de la disponibilidad de glucosa. En cambio, su
Alkalinity is an anti-aging secret available to all...So says Paul Lynn MD of San Francisco Preventive Medical Group. Cancer has a difficult time growing in an alkaline environment Dr Lynn has found that keeping our body in a state of metabolic alkalinity protects it against premature aging. When the human body is in an alkaline rather than acidic condition, the health of the cell membranes or lining of the cells is maintained longer. We know that the Sine qua non (condition or requirement) of aging is the disruption and decay of your cells cellular membranes. This produces errors in your cells cellular information processing and is responsible for diseases such as cancer, autoimmunity, diabetes and 150 different preventable degenerative diseases that cause premature aging. Dr. Lynn has found at least one simple effective method to help neutralize a significant amount of the acidic excess that accumulates in most people as they age. Take baking soda... Yes thats right baking soda (not baking ...
So for the last 3 months I havent had sex with anyone. I am bisexual but I mostly mess with men and never both at the same time. But back in February I met this guy and we had unprotected sex in which...
You might have heard that cancer is always white and, therefore, is somehow related to fungus. The most common fungus name tossed around is Candida. The solution, you are told, is simple - baking soda. It kills fungus! It also kills cancer cells on contact. Cancer cannot live in an alkaline environment. Youve probably heard this hundreds of times.. And they are right….kind of. Its true, in a Petri dish; baking soda WILL kill cancer cells. But it will also kill any other cell you put in the dish. Nothing can live once it is doused with baking soda. Nothing.. Also, all cancers are not white. One quick Google search will quickly disprove this statement. (Just dont do that search right before or after lunch!) So while there is no proof that Candida or any other fungus is the beginning of cancer, there is plenty of proof (going way back to at least 1902) that cancer is our own bodies going a little berserk.. This is one of the problems with one size fits all cancer cures. Cancer has at ...
Alkalizing the body is probably the best thing that a person can do to ensure good health and well being. There is a direct relationship between a persons pH and the oxygen content of his blood, and a tiny change in pH can have dramatic effects upon a persons oxygen intake. An alkaline body pH will prevent diseases, and will cure existing ones by exponentially boosting a bodys oxygen intake. As a general rule, pathogens and cancers cannot survive in an oxygen-rich, alkaline environment ...
Did you know that science has discovered one definitive cause AND cure of cancer? Acidic blood is the root of cancer cells survival. The disease literally feeds off of the glucose human bodies are ingesting every single day and thriving in the environment we create for it. If our bodies maintain a slightly alkaline environment the cells will die off and your body will be cured of cancer and other potential diseases. Doctors prescribe chemotherapy, radiation or heavy drugs to treat cancer. This is counter intuitive, as it adds to the acidity of our body. So while cancer cells might die in the process, healthy cells will die as well and the body is even more susceptible. The most effective and healthy method for eliminating cancer, or potential risk, is diet change.. The Rest Of The Story… ...
రంగారెడ్డి: మైలార్‌దేవ్‌పల్లిలో కింగ్స్‌ కాలనీలో ముస్తఫా అనే వ్యక్తిపై దుండగుల కాల్పులు,కడప: జగన్ సీఎం అయితే తన ఆస్తులు పెరుగుతాయి..చంద్రబాబు సీఎంగా ఉంటే ప్రజల ఆస్తులు పెరుగుతాయి: మంత్రి సోమిరెడ్డి,సిరిసిల్ల: అన్ని గ్రామాల్లో కేసీఆర్ గ్రామీణ ప్రగతి ప్రాంగణాలు నిర్మిస్తాం: మంత్రి కేటీఆర్,హైదరాబాద్: బంజారాహిల్స్ పోలీస్‌ స్టేషన్‌లో యూసుఫ్‌గూడ కార్పొరేటర్ తమ్ముడిపై కేసు ...
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My problem is while checking the Alkalinity with my Taylor test kit I filled the container to 25 like it says then added my first to chems which turns the color Green, then comes the problem I add the next chem drop at a time and it should turn from Green to Red I keep adding the third chem but it never turns Red it just turns like a light Gold color. Any ides ...
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Buy online Seachem Marine Buffer 500g (1.1 lbs) Marine Buffer will safely raise marine pH to 8.3. It will not raise pH above 8.3 even if inadvertently overdosed.
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What is pH?First, it is important to understand the basics of what pH is and why it is important. pH stands for power of Hydrogen or potential Hydrogen. It measures acidity and alkalinity by calculating the concentration of...
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11 Ways to Become More Alkaline When it comes to your health, your overall pH balance is extremely important. This determines whether your body is in a healthy state of alkalinity or overly acidic and possibly in danger. Experts say that disease cannot exist in an alkaline state. What is pH? The letters pH stand…
23. 2 In the severely traumatized patient, all that is technically feasible is not always in the patientвs best interest. Acidity or alkalinity. 6.
Looking for online definition of alkalis, alkalies in the Medical Dictionary? alkalis, alkalies explanation free. What is alkalis, alkalies? Meaning of alkalis, alkalies medical term. What does alkalis, alkalies mean?
Swelling clays are considered for nuclear applications since they present a multi-scale structure and therefore a multi-scale porosity hierarchy macroporosity between aggregates / inter-particle mesoporosity / microporosity in the interlayer spacing, as described by mercury intrusion porosimetry, nitrogen adsorption and XRD experiments respectively. In this work, XRD measurements, water adsorption and calorimetry, thermoporometry and electrical conductivity results are coupled with electrostatic calculations to investigate (i) the hydration sequence occurring in alkali/alkali-earth cations exchanged montmorillonites, and (ii) the diffusion properties of the interlayer cations. The comparison between montmorillonites saturated with homoionic alkali or alkali-earth cations and montmorillonite saturated with both alkali and alkali-earth cations leads us to elucidate the impact of the nature of cations and the possible interactions existing upon hydration.Furthermore the determination of the driving forces
Toxicological evaluation of some food additives including anticaking agents, antimicrobials, antioxidants, emulsifiers and thickening agents WHO FOOD ADDITIVES SERIES NO. 5 The evaluations contained in this publication were prepared by the Joint FAO/WHO Expert Committee on Food Additives which met in Geneva, 25 June - 4 July 19731 World Health Organization Geneva 1974 1 Seventeenth Report of the Joint FAO/WHO Expert Committee on Food Additives, Wld Hlth Org. techn. Rep. Ser., 1974, No. 539; FAO Nutrition Meetings Report Series, 1974, No. 53. ALKALI-TREATED STARCHES Explanation Modification is carried out by treatment with a maximum of 1% alkali hydroxide. No chemical transformation except depolymerization seems to occur. If any amylose appears in crystalline form it may not be accessible to enzymic degradation. Comments: This treatment does not result in any appreciable chemical difference from normal food constituents. EVALUATION Estimate of acceptable daily intake for man Not limited.* * See ...
Ossein mineral complex: i.e. Hydroxyapatite compound 830mg (equiv to calcium 177.6mg, phosphorous 82.2mg, residual mineral salts 24.9mg, collagen 224mg, other proteins 66.4mg, trace elements Fl, Mg, Fe, Ni.Cu) buff film-coated tab. The mineral component of bones and teeth; it has been used therapeutically as a prosthetic aid and in the prevention and treatment of osteoporosis ...
TY - JOUR. T1 - Hydrogen Adsorption Isotherms for Woodceramics after Acid and Alkaline Treatment. AU - S.Iijima, S.Iijima. AU - A.Takasaki, A.Takasaki. AU - Yamane, T.. AU - T.Okabe, T.Okabe. AU - Takasaki, Akito. PY - 2011/12/1. Y1 - 2011/12/1. M3 - Article. JO - MRS-J Academic Symposium Abstract CD. JF - MRS-J Academic Symposium Abstract CD. ER - ...
Summary: Bacillus sp. strain C-125 has been chosen as a model alkalophilic bacterium to understand how adaptation to growth at high pH is achieved. To aid genetic analysis, we have started characterization of its genome. By using the two infrequently-cutting restriction endonucleases, AscI and Sse8387I, in conjunction with pulsed-field electrophoretic techniques, the size of the genome was found to be 3.7 Mb. Southern blot analysis of single, double and partial digests of Bacillus sp. strain C-125 DNA, using AscI-linking clones, gene probes and purified Bacillus sp. strain C-125 restriction fragments, allowed a putative chromosome map to be constructed.
Exposure of the yeast Saccharomyces cerevisiae to alkaline stress resulted in adaptive changes that involved remodeling the gene expression. Recent evidence suggested that the calcium-activated protein phosphatase calcineurin could play a role in alkaline stress signaling. By using an aequorin luminescence reporter, we showed that alkaline stress resulted in a sharp and transient rise in cytoplasmic calcium. This increase was largely abolished by addition of EGTA to the medium or in cells lacking Mid1 or Cch1, components of the high affinity cell membrane calcium channel. Under these circumstances, the alkaline response of different calcineurin-sensitive transcriptional promoters was also blocked. Therefore, exposure to alkali resulted in entry of calcium from the external medium, and this triggered a calcineurin-mediated response. The involvement of calcineurin and Crz1/Tcn1, the transcription factor activated by the phosphatase, in the transcriptional response triggered by alkalinization has ...
D1614 - 09 Standard Test Method for Alkalinity in Acetone , acetone, alkalinity test, Acidity, alkalinity, pH--paints/related coatings/materials, Acetone, Alkalinity,
Swedish University dissertations (essays) about DELIGNIFICATION. Search and download thousands of Swedish university dissertations. Full text. Free.
Abstract The challenge of maintaining a cytoplasmic pH that is much lower than the external pH is central to the adaptation of extremely alkaliphilic Bacillus species to growth at ..
Due to its noninvasive accessibility and clarity, cornea serves an ideal target for evaluating the efficacy of various treatments against corneal disorders. A multitude of potential gene therapies based on different genes and strategies have been tried in the context of corneal diseases, including corneal NV. For example, various viral-mediated gene delivery systems have been proposed to produce expression of the desired genes with varying expression levels and duration [32-34]. In the case of gene therapy for corneal NV, as in many other situations, it is well recognized that targeting a single gene often fails to ensure the theoretically predicted efficacy [23,35-37]. We therefore investigated the possibility of better management of corneal NV by combining different anti-angiogenic factors in the present study. We showed that the combination of two or three genes exhibited additive effects over a single gene in inhibiting HUVEC proliferation in vitro (Figure 1A). This additive effect, however, ...
Published on December 16, 2016, Last modified on January 25, 2017. Treating cancer with the triad of voltage, alkalinity and oxygen is an interesting new approach because it treats the fundamental reasons cancer cells form and get aggressive. What is most interesting is that voltage, alkalinity and oxygen levels track each other. They all increase or decrease together yet we can use treatment approaches that focus on each of the triads arms.. Cancer thrives in an acidic low voltage low oxygen environment, and doesnt survive in a normal, more alkaline (high voltage) environment. Cancer cells make your body more acidic as they produce lactic acid.. The spread or metastases of cancer is inversely proportional to the amount of oxygen and the acidity around the cancer cells. The more oxygen, the slower the cancer spreads. The less oxygen and the higher the acidity the faster the cancer spreads. If cancer cells get enough oxygen, they will die (cancer cells are anaerobic). If you deprive a group of ...
Alkalinity is a measure of the capacity of water to neutralize acids and is also known as the buffering capacity. It is due to the presence of calcium and magnesium salts. Alkalinity is consumed in the nitrification process and produced in the denitrification process and is a necessary constituent of activated sludge.
Domain architecture and assignment details (superfamily, family, region, evalue) for gi|15614886|ref|NP_243189.1| from Bacillus halodurans C-125. Plus protein sequence and external database links.
Our chelation bath system helps lower blood ph back to healthy values. Key vitamin, mineral and enzyme pathways become more efficient, muscles relax, oxygenation improves, and calcium is more easily dissolved from the tissues. Our chelation bath system also helps re-educate the brain to accept slower breathing rates and helps reverse respiratory alkalinity. As breath rate and heart rate slow down, lifespan may be extended. Our bath system also donates hydrogen ions to the body. Hydrogen ions are considered the ultimate antioxidants due to their small size and powerful free radical reducing ability. Since EDTA can only effectively remove calcium in an alkaline environment. do not use this bath on the same day as using EDTA chelation.. The bath is also designed to. ...
A highly concentrated and gentle plant enzyme digestive formula, stable and active in a wide pH range (pH 2-12), from the acid environment of the stomach to the alkaline environment of the small intestine. NUT-5595
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Citrus-based cleaner and degreaser formulated for maximum cleaning power. Formulated from a blend of derived citrus solvents, Citra-Safe removes the most stubborn soiling with ease. Removes dirt, grime, engineering oil, grease, fats, carbon, nicotine, inks, dyes, blood, sugars, starch, mildew, rubber, traffic film etc. Suitable for use on anti-slip floors, stainless steel, machinery, equipment, vehicles, work surfaces, vinyl, painted floors, ceramic tiles, plastic surfaces and concrete etc. N.B. Not for use on aluminium, zinc or other alkali-sensitive surfaces. Always test an inconspicuous area first. ...
I could not help but also note the interesting coincidence that this tussle between emphasizing genetics vs metabolism has played out in another area which seems quite far removed from cancer medicine: the origin of life. For the longest time people focused on how DNA and RNA could have been formed on the primordial earth. Its only about 20 years ago or so that metabolism first started getting emphasized too: this approach emphasized the all important role that the evolution of lifes energy generating apparatus (in the form of proton gradients and ATP) played in getting life jumpstarted. The metabolism first viewpoint really took off with the discovery of deep sea hydrothermal vents which can generate primitive energy-creating biochemical cycles based on proton gradients, alkaline environments and diffusion through tiny pores in the vents. Biochemists like Nick Lane and Mike Russell have been pioneers in this area. ...
NascAtomic can be taken internally and/or applied externally. It can aid immune function; even help curtail invader type cells like parasites, bacteria, mold, fungi, viruses etc. It has external healing properties as well for cuts, sores, abrasions by virtue of its antibacterial nature. In laboratory tests, Iodine destroys many microorganisms and viruses within 3-5 minutes. How it kills is not entirely understood, but it rapidly penetrates cell walls, stops or interferes with protein syntheses, and reacts with cell membranes and membrane bound structures. Iodine elevates our pH levels, forming an alkaline environment in the body. This may also help prevent common illnesses such as colds and flu. Women require much more Iodine than men because breast tissues use so much Iodine. We now know that the Thyroid and Breast tissues are the chief consumers of Iodine. Other areas are equally important, including the salivary glands, brain, stomach, ovaries and eyes. Because of its influence of the ...
Acidic foods, acidic water, acidic beverages and an acid producing lifestyle contributes to a wide range of illnesses. Excess acid in the body and blood stream leads to a build-up of mineral deposits in the joints and arteries, resulting in a restricted range of motion and eventually arthritis, other degenerative diseases, and inflammation. The human organism operates at peak efficiency when the pH of the blood is slightly alkaline with a pH of 7.365 (on a scale of 1-14, with 1 being pure acid, 7 being neutral and 14 pure alkaline). At this concentration, your cells will thrive. By following a diet of primarily alkaline foods, by drinking alkaline water and by modifying your lifestyle to avoid acid producing activities (smoking, drinking alcohol and negative emotions are all acid producing), you can begin to detoxify your body, removing the excess proteins and acid wastes, which create inflammation and degenerative changes. A primarily alkaline environment within the body also helps with weight ...
hi hoagiemom,. I also had Stage III colon cancer in my sigmoid colon. I too had 2 positive lymph nodes (out of the 19) that were close to the site. No mets (thank god).. I had my diagnostics and surgery done at the Mayo Clinic in Rochester, MN which is world renowned. The adjuvant chemo that was recommended was 5FU and Leucovorin. My oncologist is wonderful. I declined the chemo and instead went on an alternate route of Eastern Medicine with dietary modifications and juicing of fresh organic veggies being the foundation of my protocol. Cancer likes an acidic blood pH so my goal has been to stay alkaline. Juicing organic green veggies helps me do this. Cancer cannot live in an alkaline environment. Cancer likes sugar and processed foods. Cancer cells have more sugar receptors than healthy cells so it gobbles up the sugar and goes on a feeding frenzy. thats one reason why diet is so vital in healing cancer. Juicing also provides live enzymes which are integral to a healthy body.. I also took many ...
Oxygen mouthwash is a mouthwash that creates an alkaline environment in the mouth to prevent the growth of bacteria. Its best for...
Hér er ég aðeins að kíkja á hvað er hægt að gera, til að lækna krabbamein. Vinnuplagg. Niðurstaðan ætti að vera nokkrar setningar, og tilvísanir. „No disease, including cancer, can exist in an alkaline environment“ Dr. Otto Warburg, 1931
I use a Taylor K-2005 test kit and it includes a Watergram wheel that helps establish water balance. This is a slide rule type device which calculates LSI (Langelier Saturation Index; Google it). In a nutshell - Calcium, Total Alkalinity, pH, and Temperature are like four legs of a chair and this chair wobbles and can almost never be made to sit perfectly level on the ground, particularly in a volume of water that is open to the elements. One factor that is rarely in this calculation is Total Dissolved Solids (TDS) which based on your story, I assume it is probably way high. If it is over 2000ppm then you are due for a complete or partial drain and refill. If you are using well water and its balance is off, it may be adding to the problem. I suggest you take samples of your pool water and tap water and send it off for a full water quality test. TDS is a pain to measure accurately but cheap electronic meters are available for $20 or so that will get you a ballpark measurement. The other ...
Metzl, Nicolas (2004): Total alkalinity and carbon dioxide at bottle station ANTARES-III_0210. PANGAEA,
AlkaLime® is a precisely-balanced alkaline mineral complex formulated to neutralize acidity and maintain desirable pH levels in the body. Infused with lemon and lime essential oils and organic whole lemon powder, AlkaLime also features enhanced effervescence and biochemic cell salts for increased effectiveness. A balanced pH is thought to play an important role in maintaining overall health and vigor.
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I m very interested to understand what you believe would benefit the body then in preventing cancer growth, since it seems everywhere information points to acidic tissue encouraging cancer growth and then alkaline preventing it. This is another common myth. The acidity is not the cause of the cancer, it is the byproduct. Remember that cancer cells use anaerobic glycolysis in part. What is the byproduct of anaerobic glycolysis? Lactic acid. And alkalinizing has not been shown to cure cancer. Take for example cesium chloride, which only showed about a 50 ...
Tubing Connectors. (Polypropylene). Polypropylene compression fittings offer good chemical resistance and are unaffected by most weak acids and alkalies, at
290 PA THOGENIC BACTERIA. the surface, especially when the cultivation is made by the method of Fernbach with a passing current of air. This mycodertna, which may appear quite regular when the flask is undisturbed, is so brittle that it at once falls to pieces if the flask be moved. Spronck has recently determined that the characteris- tics of the growth of the diphtheria bacillus in bouillon, as well as the amount of toxin-production, vary accord- ing to the amount of glucose in the bouillon. He divides the cultures into three types : Type A. The reaction of the bouillon becomes acid and remains acid, the acidity increasing. The bacilli accumulate at the bottom of the clear liquid. The toxin-production is meagre. Type J3. There is no change from alkalinity to acidity, but the original alkalinity of the bouillon steadily in- creases. The culture is very rich, the bottom of the flask shows a considerable sediment, the liquid is cloudy, and a delicate growth occupies the surface. The toxicity .is ...
Hello, I have been running my Spa on H2o2 for a year now, and only have good thing to report. If my PH and Alkalinity are well balance, the water is always clear. I clean my filters once a week. I have to adjust my PH, Hardness and alkalinity once a month. For me its really the solution. Now I am looking to buy some Technical grade H2o2 around Montreal, QC. But from the local pool suppliers, I get a 4 liter bottle for 89$. I know we can buy it for a lot less. Does anyone know of a good local suppliers? thanks ...
Ox-E-Drops is a safe, stable compound of Sodium Chlorite in water; Many uses- advancing or maintaining health, such as aiding with infection.
I have been working very hard the past couple months to take really good care of my health and try to get my body more alkaline. From doing a 10 day juice cleanse, to colonics and eating mostly vegetarian. I have eaten almost completely vegetarian the past 2 weeks, no meat or dairy. I did…
Q Could one become overly alkaline on all raw food? What would be the symptoms? A It is possible to become over alkaline, or alkalosis as its referred
Alkaline batteries have the advantage of putting out constant voltage until very nearly the end of their life. How long will an alkaline battery rated at 1 A ⋅ h and 1.58 V keep a 1 W flashlight bulb burning ...
I just switched to a liquid based tester from strips. Im fine with testing clorine and ph, but Im really confused about Total Alkalinity. The instructions say to add the initial drop(s), then count the drops of another type until theres a permanent color change. What does that mean? I tried it and had a purple color, initially. I kept adding the other drops and finally the solution turned clear. Im really confused.
Hey all, Been lurking here since the middle-ish part of the season. Have had my pool for a few years and have luckily been doing well. I had what Id consider a good PB, and also have a pretty good local pool store that doesnt feel the need to jam a bunch of products on me...just some pH down every now and again in addition to the startup alkalinity/CYA/caclium... Before finding TFP I actually had purchased a Taylor K2006 kit because Im a bit of a nerd and wanted to do my own water
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This simple experiment involves testing a variety of substances to see if they are acidic or alkaline, using litmus paper as the indicator.
Effect of the alkali. The type of alkali metal used determines the kind of soap product. Sodium soaps, prepared from sodium ... In the Middle East, soap was produced from the interaction of fatty oils and fats with alkali. In Syria, soap was produced ... The batch may also be kept warm for some time after mixing to ensure the alkali (hydroxide) is completely used up. This soap is ... In 1780 James Keir established a chemical works at Tipton, for the manufacture of alkali from the sulfates of potash and soda, ...
Via alkali cyclopentadienide[edit]. More efficient preparative methods are generally a modification of the original ...
Acid-alkali reaction[edit]. Main article: Neutralization (chemistry). An acid-alkali reaction is a special case of an acid-base ... When an acid reacts with an alkali salt (a metal hydroxide), the product is a metal salt and water. Acid-alkali reactions are ... The alkali breaks apart in water, yielding dissolved hydroxide ions: NaOH → Na+. (aq) + OH−. (aq). See also[edit]. *Acid-base ... Franz, H. (1966). "Solubility of Water Vapor in Alkali Borate Melts". Journal of the American Ceramic Society. 49 (9): 473-477 ...
Alkali and alkaline earth metals[edit]. Like many antibiotics, monensin-A is an ionophore that tighlty bind Na+ (shown in ... "Yeast as a model organism to study transport and homeostasis of alkali metal cations" (PDF). Physiol Res. 53 Suppl 1: S91-8. ...
Alkali metal and alkaline earth arsenides[edit]. The group 1 alkali metals and the group 2, alkaline earth metals, form ... Partial reduction of arsenic with alkali metals (and related electropositive elements) affords polyarsenic compounds, which are ...
Alkali-silica reaction (ASR). References[edit]. *^ a b Andrews, J. Jeff (1 September 2005). "Anesthesia Systems". In Paul G. ... Analogy with the alkali-silica reaction[edit]. A quite didactic parallelism can be drawn between the catalytic role of sodium ... The alkali silica reaction can be written like the soda lime reaction, by simply substituting CO2 by SiO2 in the reactions ... Lithium hydroxide (LiOH) is the alkali hydroxide with the lowest molecular weight (24 g/mol; Li: 7 g/mol) and is therefore used ...
At high levels of consumption alkalis become a greater danger for dogs. Bleach oven and drain/pipe cleaners, hair relaxers, and ... "Alkalis". PetPoison Hotline. Archived from the original on February 22, 2020. Retrieved February 22, 2020. "Facts about ... Substances with a pH greater than 7 are considered alkalis. Usually exposure is some level of irritation. However, these ...
Alkali metals Alkaline earth metals Pnicto-gens Chal-co-gens Halo-gens Noble gases ...
Alkali metal Alkaline earth metal Lan-thanide Actinide Transition metal Post-​transition metal Metalloid Reactive nonmetal ... Metallic elements table in this section categorises the elemental metals on the basis of their chemical properties into alkali ...
Alkali metals are well known to form salts. Table salt, or sodium chloride Na+Cl−, illustrates the usual role of an alkali ... An alkalide is a chemical compound in which alkali metals are anions (that is, they bear a negative charge). Such species are ... F. J. Tehan; B. L. Barnett; J. L. Dye (1974). "Alkali anions. Preparation and crystal structure of a compound which contains ... J. L. Dye (1979). "Compounds of Alkali Metal Anions". Angew. Chem. Int. Ed. Engl. 18 (8): 587-598. doi:10.1002/anie.197905871. ...
Alkali metals Alkaline earth metals Pnicto-gens Chal-co-gens Halo-gens Noble gases ... Alkali metal Alkaline earth metal Lan-thanide Actinide Transition metal Post-​transition metal Reactive nonmetal Noble gas ...
Alkali metals Alkaline earth metals Pnicto-gens Chal-co-gens Halo-gens Noble gases ... Alkali metal Alkaline earth metal Lan-thanide Actinide Transition metal Post-​transition metal Reactive nonmetal Noble gas ...
Alkali metal Alkaline earth metal Lan-thanide Actinide Transition metal Post-​transition metal Metalloid Reactive nonmetal ... Addison, C. C. (1984). The Chemistry of the Liquid Alkali Metals. Wiley. ISBN 978-0-471-90508-0. . Retrieved 2012-09-28.. ... Addison, C. C. (1984). The chemistry of the liquid alkali metals. Wiley. p. 7. ISBN 9780471905080. .. ... It is a soft, silvery-golden alkali metal with a melting point of 28.5 °C (83.3 °F), which makes it one of only five elemental ...
Alkali metal Alkaline earth metal Lan-thanide Actinide Transition metal Post-​transition metal Metalloid Reactive nonmetal ... Francium is an alkali metal whose chemical properties mostly resemble those of caesium.[6] A heavy element with a single ... As early as 1870, chemists thought that there should be an alkali metal beyond caesium, with an atomic number of 87.[5] It was ... They announced their discovery of element 87 and proposed the name alkalinium, as it would be the heaviest alkali metal.[29] ...
Low(er) myosin ATPase, sensitive to alkali.. IIa (Fast oxidative/glycolytic, FOG)[10] - High glycolytic, oxidative and myosin ...
Some silicic magmas have an elevated content of alkali metal oxides (sodium and potassium), particularly in regions of ... can produce alkali olivine basalt.[78] Oceanic magmas likely result from partial melting of 3% to 15% of the source rock.[79] ...
High total alkalies (Na2O + K2O > 5%); High K2O/Na2O; Steep positive slope for K2O versus SiO2 at low SiO2; Enrichment in P, Rb ...
Alkali Publishing. Australian War Memorial page on Simpson (and see also AWM biographical data and Roll of Honour data) Digger ...
"Alkali Metals". Retrieved 2020-09-13. "The Alkali Metals , Introduction to Chemistry". courses. ... This occurs because the outer electron in the alkali metals requires a much lower amount of energy to be removed from the atom ... This also gives rise to low electronegativity values for the alkali metals. The trends and exceptions are summarized in the ... Francium's ionization energy is higher than the precedent alkali metal, cesium. This is due to its (and radium's) small ionic ...
Alkali, Nur; Usman, Bala, eds. (1983). Studies in the History of Pre-Colonial Borno. Zaria: Northern Nigerian Publishing. ...
From Arabic al-qadi (the judge). Qadi comes from the verb qada (to judge). álcali: Alkali. From Arabic qalawi (قلوي) of the ...
Alkali yellowtops . Biota of North America Program 2014 county distribution map Johnston, John Robert. Proceedings of the ... Flaveria campestris, common name alkali yellowtops, is a plant species native to the southwestern United States and to the ...
Alkali, Nura; Adamu, Adamu, eds. (1993). Islam in Africa : proceedings of the Islam in Africa Conference. Ibadan: Spectrum ...
The normal pressure "sodium arsenide" phase is adopted by many alkali metal pnictides. At 3.6 gigapascals, Na3As adopts the ... E. Dönges (1963). G. Brauer (ed.). Alkali Metals. Handbook of Preparative Inorganic Chemistry (2nd ed.). New York: Academic ...
Alkali Lake, 48°56′10″N 111°25′57″W / 48.93611°N 111.43250°W / 48.93611; -111.43250 (Alkali Lake), el. 3,714 feet (1,132 m ... 3,278 feet (999 m) Alkali Lake, 48°56′00″N 111°25′45″W / 48.93333°N 111.42917°W / 48.93333; -111.42917 (Alkali Lake), el. ... "Alkali Lake". Geographic Names Information System. United States Geological Survey. "Berkholder Reservoir". Geographic Names ... 3,573 feet (1,089 m) List of lakes in Montana "Alkali Lake". Geographic Names Information System. United States Geological ...
3,619 feet (1,103 m) Alkali Lake, 48°24′32″N 112°27′40″W / 48.40889°N 112.46111°W / 48.40889; -112.46111 (Alkali Lake), el ... "Alkali Lake". Geographic Names Information System. United States Geological Survey. "Blue Lake". Geographic Names Information ...
"Alkali Metal Bangs" and videos. Accessed 23 November 2008. Caesium. The Periodic Table of Videos. "Alkali metals". OpenLearn. ... the alkali metal experiments. The experiment aimed to illustrate periodic trends in the alkali metal series. It showed the ... The reaction was not particularly spectacular, and the crew substituted explosives for the alkali metals. A wire connected to ...
8,520 feet (2,600 m) Alkali Lake, 46°29′25″N 111°01′42″W / 46.49028°N 111.02833°W / 46.49028; -111.02833 (Alkali Lake), el ... "Alkali Lake". Geographic Names Information System. United States Geological Survey. "Ashford Tank". Geographic Names ...
Alkali Lake, 48°57′55″N 115°13′13″W / 48.96528°N 115.22028°W / 48.96528; -115.22028 (Alkali Lake), el. 2,736 feet (834 m) ... Alkali Lake, 48°50′03″N 115°02′38″W / 48.83417°N 115.04389°W / 48.83417; -115.04389 (Alkali Lake), el. 2,986 feet (910 m) ... "Alkali Lake". Geographic Names Information System. United States Geological Survey. "Alvord Lake". Geographic Names Information ... 2,287 feet (697 m) List of lakes in Montana "Alkali Lake". Geographic Names Information System. United States Geological Survey ...
... all of which we attribute to the Alkali works." In 1863, the British Parliament passed the first of several Alkali Acts, the ... This act allowed that no more than 5% of the hydrochloric acid produced by alkali plants could be vented to the atmosphere. To ... In Britain, the only local source of alkali was from kelp, which washed ashore in Scotland and Ireland. In 1783, King Louis XVI ... The struggle for supremacy : being a series of chapters in the history of the leblanc alkali industry in Great Britain: 32: ...
Wikimedia Commons has media related to Alkali silica reactions.. References[edit]. *^ FHWA (2010-06-22). "Alkali-Silica ... For less common types of alkali-driven concrete degradation, see Alkali-aggregate reaction. ... Limit the alkali metal content of the cement. Many standards impose limits on the "Equivalent Na2O" content of cement. ... The alkali-silica reaction (ASR), more commonly known as "concrete cancer", is a swelling reaction that occurs over time in ...
... Group I of the Periodic Table is composed of highly reactive metals. They react vigorously with water to produce ... Alkali metals tend to lose one electron and form ions with a single positive charge. They form ionic compounds (salts) in ... reaction with the halogens (alkali halides). Sodium and potassium ions form important constituents of body fluids (electrolytes ...
Alkali metals reacting with water, comparing lithium Li, sodium Na and potassium K as they react with water in the presence of ... Alkali metals reacting with water, comparing lithium Li, sodium Na and potassium K as they react with water in the presence of ...
Pages in category "Alkali metals". The following 7 pages are in this category, out of 7 total. ... Media in category "Alkali metals". The following 5 files are in this category, out of 5 total. ... Alkali metals reations.webm 2 min 6 s, 540 × 360; 9.16 MB. ... Category:Alkali metals. From Wikimedia Commons, the free media ... Retrieved from "" ...
Museums (Acids and Alkalis). Problem:. Both acids and alkalis are corrosive, that is, they react with or "eat away" materials ... Acids and alkalis can not only eat away at metal and metal oxides, but also at materials like skin and lung tissue. This is the ... Strong acid/alkali should never be used without wearing eye protection such as safety glasses or a face shield. Other personal ... The severity of this corrosive action depends on the strength of the acid or alkali, the concentration of the chemical, the ...
... additivity relationship here is the mixed-alkali effect, in which glasses containing two or more different types of alkali ions ... In applications such as high-wattage lamps, where low electrical conductivity is desired, mixed-alkali glasses are useful. ... Other articles where Mixed-alkali effect is discussed: industrial glass: Electrical conductivity: … ... additivity relationship here is the mixed-alkali effect, in which glasses containing two or more different types of alkali ions ...
alkali metal hydride (CHEBI:37760) is a alkali metal molecular entity (CHEBI:33296). alkali metal hydroxide (CHEBI:33978) is a ... alkali metal molecular entity (CHEBI:33296) has part alkali metal atom (CHEBI:22314) alkali metal molecular entity (CHEBI:33296 ... alkali metal molecular entity (CHEBI:33296). alkali metal salt (CHEBI:35479) is a alkali metal molecular entity (CHEBI:33296). ... alkali metal coordination entity (CHEBI:35837) is a alkali metal molecular entity (CHEBI:33296). ...
Milk-alkali syndrome is a condition in which there is a high level of calcium in the body (hypercalcemia). This causes a shift ... Milk-alkali syndrome is a condition in which there is a high level of calcium in the body (hypercalcemia). This causes a shift ... Milk-alkali syndrome is almost always caused by taking too many calcium supplements, usually in the form of calcium carbonate. ... A high level of vitamin D in the body, such as from taking supplements, can worsen milk-alkali syndrome. ...
The reaction of an alkali metal (M) with water is as follows: 2M + 2H2O -> 2MOH + H2 Reactions with nonmetals. Of the alkali ... All of the alkali metals react with oxygen--lithium and sodium to form monoxides and the heavier alkali metals to form peroxide ... The alkali metals are all characterized by having hydroxides that are strong bases. Common uses of the alkali metals include ... The alkali metals are extremely reactive and combine readily with most of the substances found in the atmosphere. The alkali ...
... fun videos exploring the chemistry of the alkali metals, taken from a lecture by Dr. Peter Wothers at the University of ... The alkali metals: 06 - The appearance of the group 1 metals Video Duration : 00:02:26 time (hh:mm:ss) The alkali metals: 07 - ... The Alkali Metals: 10 - Reactions of lithium with the air Video Duration : 00:01:36 time (hh:mm:ss) The Alkali Metals: 11 - ... The alkali metals: 02 - Electronic structure of the group 1 metals Video Duration : 00:02:51 time (hh:mm:ss) The Alkali Metals ...
... report has been added to ResearchAndMarkets.coms... ... 5. SILICATES AND ALKALI METAL SILICATES CONSUMERS IN CHINESE MARKET. 5.1. Downstream markets of Alkali Metal Silicates in China ... 2. SILICATES AND ALKALI METAL SILICATES MARKET IN CHINA. 2.1. Overview of silicates market. 2.2. Producers of silicates and ... 3. CHINAS FOREIGN TRADE IN SILICATES AND COMMERCIAL ALKALI METAL SILICATES. 3.1. Export and import of sodium metasilicates. ...
Alkali , Define Alkali at Retrieved on 2012-04-18. alkali - definition of alkali by ... Alkalis are usually defined as a subset of the bases. One of two subsets is commonly chosen. A basic salt of an alkali metal or ... In chemistry, an alkali (/ˈælkəlaɪ/; from Arabic: القلوي‎ al-qaly "ashes of the saltwort") is a basic, ionic salt of an alkali ... The word "alkali" is derived from Arabic al qalīy (or alkali), meaning the calcined ashes (see calcination), referring to the ...
Alkali metal definition, any of the group of univalent metals including potassium, sodium, lithium, rubidium, cesium, and ... Except for cesium, which has a gold sheen, alkali metals are white. The alkali metals have one electron in their outer shell, ... Origin of alkali metal. First recorded in 1880-85. Unabridged Based on the Random House Unabridged Dictionary ... Any of a group of soft metallic elements that form alkali solutions when they combine with water. They include lithium, sodium ...
Alkali soluble thickeners are dislcosed which comprise a reaction product of (A) an unsaturated carboxylic acid monomer, (B) a ... Preparation of an Alkali-Soluble Thickener with Urethane Monomer) * [0040] To a three-liter flask equipped with thermometer, ... Alkali soluble thickeners are dislcosed which comprise a reaction product of (A) an unsaturated carboxylic acid monomer, (B) a ... Alkali soluble thickeners are dislcosed which comprise a reaction product of (A) an unsaturated carboxylic acid monomer, (B) a ...
Raman Spectrum Rock Salt Shell Model Alkali Halide Order Spectrum These keywords were added by machine and not by the authors. ... Krishnan R.S. (1971) Raman Spectra of Alkali Halides. In: Downs A.J., Long D.A., Staveley L.A.K. (eds) Essays in Structural ... In this chapter, it is proposed to give a historical review of studies of alkali halide crystals with special reference to the ...
If unrecognized and untreated, milk-alkali syndrome can lead to metastatic calcification and renal failure. ... Milk-alkali syndrome is caused by the ingestion of large amounts of calcium and absorbable alkali, with resulting hypercalcemia ... Milk-alkali syndrome in pregnancy. Milk-alkali syndrome has been reported in pregnancy. Pregnant women absorb calcium from the ... Iatrogenic milk-alkali syndrome. The author has reported iatrogenic milk-alkali syndrome in a patient with sepsis and acute ...
Deepak Nitrite "Guj Alkali Share Price, Guj Alkali Stock Price, Gujarat Alkalies and Chemicals Ltd. Stock Price, Share Price, ... Alkalies & Chem - NDTV". Archived from the original on 2021-04-21. Retrieved 2021-04-21. "Gujarat Alkalies & ... "Gujarat Alkalies to set up ₹1,936-crore caustic soda plant". @businessline. Retrieved 2021-04-22. "GACL-NALCO Alkalies & ... Live BSE/NSE, Gujarat Alkalies and Chemicals Ltd. Bids Offers. Buy/Sell Gujarat Alkalies and Chemicals Ltd. news & tips, & F&O ...
Alkali salts. Alkali salts are soluble hydroxides of alkali metals and alkaline earth metals, of which common examples are: * ... In chemistry, an alkali (/ˈælkəlaɪ/; from Arabic: al-qaly "ashes of the saltwort") is a basic, ionic salt of an alkali metal or ... The word "alkali" is derived from Arabic al qalīy (or alkali),[1] meaning the calcined ashes (see calcination), referring to ... Common properties of alkalis and bases. Alkalis are all Arrhenius bases, ones which form hydroxide ions (OH−) when dissolved in ...
Chlor-alkali definition is - any of a group of chemicals (as chlorine and sodium hydroxide) that are manufactured by the ... Share chlor-alkali Post the Definition of chlor-alkali to Facebook Share the Definition of chlor-alkali on Twitter ... Comments on chlor-alkali What made you want to look up chlor-alkali? Please tell us where you read or heard it (including the ... Dictionary Entries near chlor-alkali. chloral chloral hydrate chloralide chlor-alkali chloralosane chloralose chloralum ...
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Alkali Solution Translated from Fiziko-Khimicheskaya Mekhanika Materialov, Vol. 15, No. 5, pp. 86-89, September-October, 1979. ...
... Babar Parvez, Chinenye Emuwa, Marquetta L. Faulkner, and John J. Murray ... A. M. Patel and S. Goldfarb, "Got calcium? Welcome to the calcium-alkali syndrome," Journal of the American Society of ... R. E. Randall Jr., M. B. Strauss, and W. F. McNeely, "The milk-alkali synfcmme," Archives of internal medicine, vol. 107, pp. ... E. S. Orwoll, "The milk-alkali syndrome: current concepts," Annals of Internal Medicine, vol. 97, no. 2, pp. 242-248, 1982. ...
noun) Lye and calcium carbonate are each an example of an alkali.... ... The definition of an alkali is a soluble salt that comes from the ashes of plants and is made up of mostly potassium or sodium ... alkali. noun. pl. al·ka·lis, or al·ka·lies *A carbonate or hydroxide of an alkali metal, the aqueous solution of which is ... plural alkalies or alkalis). *(chemistry) One of a class of caustic bases, such as soda, potash, ammonia, and lithia, whose ...
... the neutral alkali metal atom (M), diatomic alkali metal molecules (M2) and alkali metal anions (M−). These are unstable and ... Primordial isotopes of the alkali metals Z. Alkali metal. Stable. Decays. unstable: italics. odd-odd isotopes coloured pink ... Representative reactions of alkali metalsEdit. Reaction with oxygen Upon reacting with oxygen, alkali metals form oxides, ... Alkali metals in liquid ammonia Alkali metals dissolve in liquid ammonia or other donor solvents like aliphatic amines or ...
The role of alkali therapy is controversial; some authors recommend raising the serum pH to 7.20 when possible. Some evidence ... encoded search term (What is the role of alkali therapy in lactic acidosis?) and What is the role of alkali therapy in lactic ... The role of alkali therapy is controversial; some authors recommend raising the serum pH to 7.20 when possible. Some evidence ... What is the role of alkali therapy in lactic acidosis?. Updated: Oct 10, 2018 ...
Purchase Handbook of Alkali-Activated Cements, Mortars and Concretes - 1st Edition. Print Book & E-Book. ISBN 9781782422761, ... 15.2 Alkali-silica reaction (ASR) in Portland cement concrete. *15.3 Alkali-aggregate reaction (AAR) in alkali-activated ... 11.3 Frost in alkali-activated binders - general trends and remarks. *11.4 Detailed review of frost resistance of alkali- ... 24.2 Alkali activation of industrial wastes to produce masonry units. *24.3 Physical properties of alkali-activated masonry ...
Black alkali synonyms, Black alkali pronunciation, Black alkali translation, English dictionary definition of Black alkali. ... Black alkali. Also found in: Encyclopedia. Black alkali. Alkaline soil caused by too much carbonate. ... Black alkali - definition of Black alkali by The Free Dictionary ...
Transcript of The Alkali Metals. The Alkali Metals Group 1 Peter Diller, Raju Dutta, Matthew Vollrath, Gianna Prainito, Chloe ...
Hexamethylene tetramine derivatives of alkali lignins are formed by reacting, at a temperature between 70° C. and 180° C., 0.17 ... The alkali lignins are insoluble in water, but soluble in alkali. It is not necessary to start with an alkali lignin per se as ... The products of this invention are made by dissolving an alkali lignin or modified alkali lignin in an alkaline solution. Any ... Alkali lignin (3600 grams dry ash free weight) was slurried in 14.4 Kg. of water in 5 gallon reactor. To this slurry 432 grams ...
... processed with alkali Nutrition - BellaOnline Nutrition Database - BellaOnline is committed to helping our visitors become ... Long Description: Cocoa, dry powder, unsweetened, processed with alkali. Short Description: COCOA,DRY PDR,UNSWTND,PROC W/ALKALI ... Cocoa, dry powder, unsweetened, processed with alkali Nutrition Information - Full Details. All values shown in the detailed ... Cocoa, dry powder, unsweetened, processed with alkali Nutrition. This page is all about the nutrition of Cocoa, dry powder, ...
  • distillates can be achieved by treating the oil with finely divided alkali metal dispersions consisting of particles of one micron or less in size, resulting in products of excellent color and color stability. (
  • All of the alkali metals react with oxygen -- lithium and sodium to form monoxide s and the heavier alkali metals to form peroxide s. (
  • All the alkali metals react with water, with the heavier alkali metals reacting more vigorously than the lighter ones. (
  • The reaction becomes more violent for the heavier alkali metals given their lower ionization energies. (
  • The reaction can be compared to the pozzolanic reaction which would be catalysed by the undesirable presence of too high concentrations of alkali hydroxides (NaOH and KOH) in the concrete. (
  • However, the ASR reaction significantly differs from the pozzolanic reaction by the fact that it is catalysed by soluble alkali hydroxides ( NaOH / KOH ) at very high pH. (
  • Group IA elements are called alkali metals because their hydroxides are soluble in water and form strong bases. (
  • Alloy s of alkali metals exist that melt as low as -78° C . Cesium is the most volatile of the alkali metals, with a boiling point of 671° C . The boiling points of the alkali metals increase in regular fashion as the atomic number s decrease, the highest, 1,342° C , being that of lithium . (
  • They form ionic compounds ( salts ) in reaction with the halogens (alkali halides). (
  • These soils can occur naturally, due to the presence of alkali salts. (
  • In alkali lakes (also called soda lakes), evaporation concentrates the naturally occurring carbonate salts, giving rise to an alkalic and often saline lake. (
  • It has been found that the impurities present in an alkali metal borohydride, such as sodium borohydride produced by reacting an'alkyl-borate, such as methyl borate with an alkali metal hydride, such as sodiumhydride after removal of the alkali metal alkoxide interfere with or inhibit the reaction between the alkali metal borohydride and halide salts of other metals, such as 'aluminumto form borohydridesof such other metals. (
  • Alkali metals react vigorously with nonmetals, such as halogens, to form salts. (
  • When alkali metal salts are placed in a flame and reduced to their gaseous metal atoms, they emit characteristic colors. (
  • Alkali metals tend to lose one electron and form ions with a single positive charge. (
  • Alkalis are all Arrhenius bases, ones which form hydroxide ions (OH−) when dissolved in water. (
  • additivity relationship here is the mixed-alkali effect, in which glasses containing two or more different types of alkali ions have a significantly lower electrical conductivity than linear additivity would suggest. (
  • BARRER, R., REES, L. Energies of Activation for Self-diffusion of Alkali Metal Ions in Analcite. (
  • In the case of many alkali substances, the hydrogen ions bond with hydroxyl ions to create water. (
  • Alkalis are normally water-soluble, although some like barium carbonate are only soluble when reacting with an acidic aqueous solution. (
  • Alkali soluble thickeners are dislcosed which comprise a reaction product of (A) an unsaturated carboxylic acid monomer, (B) a monoethylenically unsaturated monomer different from monomer (A), and (C) a hydrophobic, alkoxylated macromonomer polymerizable with monomers (A) and (B). The monoethylenically. (
  • Alkali soluble thickeners are dislcosed which comprise a reaction product of (A) an unsaturated carboxylic acid monomer, (B) a monoethylenically unsaturated monomer different from monomer (A), and (C) a hydrophobic, alkoxylated macromonomer polymerizable with monomers (A) and (B). The monoethylenically unsaturared monomer different from monomer (A) comprises a methyl group, preferably is an acrylate and more preferably is methyl acrylate. (
  • The definition of an alkali is a soluble salt that comes from the ashes of plants and is made up of mostly potassium or sodium carbonate. (
  • The alkali lignins are insoluble in water, but soluble in alkali. (
  • Ammonia is an exception to the common pattern for alkali substances, as it is a water-soluble base without a hydroxyl group. (
  • Copper oxide is a relatively common base that is not water soluble, and thus it is not an alkali. (
  • The terms "base" and "alkali" are often used interchangeably, particularly outside the context of chemistry and chemical engineering. (
  • Chung, L.H.M. (1997) "Characteristics of Alkali", pp. 363-365 in Integrated Chemistry Today. (
  • A series of short, fun videos exploring the chemistry of the alkali metals, taken from a lecture by Dr. Peter Wothers at the University of Cambridge. (
  • Chlorine and caustic soda (sodium hydroxide) produced in the Chlor-Alkali industry produce bleaching agents which are widely used in aluminum, textile, paper, pulp industries, soap and detergent manufacturing, and in general cleaning and disinfectants. (
  • Major concern of Chlor alkali is power cost and usage of chlorine (produced as by product of Caustic Soda). (
  • Caustic soda (sodium hydroxide), muriatic acid, and potassium hydroxide are the major alkalis' produced during this process. (
  • Furthermore, heavy investments in alumina industry is expected to provide growth opportunities for chlor-alkali market, as caustic soda is a major raw material for alumina refining process. (
  • The alkali metals are all shiny, soft , highly reactive metals at standard temperature and pressure and readily lose their outermost electron to form cations with charge +1. (
  • THE self-diffusion coefficients and energies of activation for migration of alkali metal cations in analcite have recently been measured 1 . (
  • Their low ionization energies indicate that alkali metals readily lose electrons to become cations with a noble gas configuration. (
  • A series of cation exchanged Y-zeolites were prepared by exchanging cations with various alkali (M+, M=Li, Na, K, Cs) metals. (
  • Transformation of intact yeast cells treated with alkali cations. (
  • Intact yeast cells treated with alkali cations took up plasmid DNA. (
  • The global chlor-alkali market is projected to growing at a CAGR between 5.0% and 5.5% from 2016 to 2022. (
  • Moreover, the demand for chlor-alkali products in inorganic and organic chemicals industries are expected to enhance the growth of the global chlor-alkali market during the forecast period. (
  • Replacing the older technology for production to overcome this issue is a major challenge for the players in the global chlor-alkali market during the forecast period. (
  • The report segments the global chlor-alkali market by products, application, and region. (
  • Alkali metals reacting with water, comparing lithium Li, sodium Na and potassium K as they react with water in the presence of phenolphthalein. (
  • Common uses of the alkali metals include the use of lithium , sodium , and potassium as reducing agent s and in heat-transfer coolant . (
  • The alkali metals have low melting point s, ranging from a high of 181° C for lithium to a low of 28° C for cesium , which has the second lowest melting point of all the metal s. (
  • The alkali metals are the least electronegative of the elements, with electronegativities ranging from 0.7 ( cesium ) to 1.0 ( lithium ). (
  • Of the alkali metals, only lithium reacts with nitrogen . (
  • Lithium also forms a relatively stable hydride , whereas the other alkali metals form hydrides that can be more readily dissociated. (
  • The alkali metals consist of the chemical elements lithium (Li), sodium (Na), potassium (K), [note 1] rubidium (Rb), caesium (Cs), [note 2] and francium (Fr). (
  • The six elements in the alkali metals group are, in order of appearance on the periodic table: lithium, sodium, potassium, rubidium, cesium and francium. (
  • Electrochemical energy storage devices, such as alkali metal-oxygen battery cells (e.g., non-aqueous lithium-air cells), have a cathode architecture with a porous structure and pore composition that is tailored to improve cell performance, especially as it pertains to one or more of the discharge/charge rate, cycle life, and delivered ampere-hour capacity. (
  • This also explains why alkali metals are excellent reducing agents, with lithium being the least reactive and cesium the most. (
  • Gujarat Alkalies and Chemicals Limited (GACL) is an Indian chemical manufacturing company. (
  • Deepak Nitrite "Guj Alkali Share Price, Guj Alkali Stock Price, Gujarat Alkalies and Chemicals Ltd. Stock Price, Share Price, Live BSE/NSE, Gujarat Alkalies and Chemicals Ltd. Bids Offers. (
  • Gujarat Alkalies & Chemicals Ltd". Business Standard India. (
  • GACL-NALCO Alkalies & Chemicals Pvt. (
  • May 20, 2019 (AB Digital via COMTEX) -- Chemicals manufactured by the Chlor-Alkali process are extensively used in construction and automotive industries. (
  • Incorporated in Mar.'79, Modi Alkali & Chemicals (MACL) obtained its certificate for business commencement in Mar.'81. (
  • African chlor-alkali market received huge investments in the downstream chemicals segment and it is expected to fuel the growth of the market in the region over the period of 2016 to 2022. (
  • Gujarat Alkali is a leading manufacturer of chlor alkali chemicals. (
  • Chemfab Alkalies Ltd (CAL) is a chemical company that manufactures and markets specialty and industrial chemicals. (
  • Budget had negligible impact on the chlor alkali sector. (
  • Union budget 2009-10 is neutral to the chlor alkali sector. (
  • The alkali metals all react vigorously, and often violently, with water , releasing hydrogen and forming strong caustic solutions. (
  • The alkali metals themselves react with many organic compounds, particularly those containing an active hydrogen atom. (
  • Hydrogen is also an alkali metal because of it's electronic configuration. (
  • When water touches alkali metals the reaction produces hydrogen gas and a strong alkaline solution, also known as a base. (
  • Most alkali compounds contain a hydroxyl group, which is a negative ion containing bonded oxygen and hydrogen. (
  • Alkali metals react vehemently with water to generate hydrogen gas and a solution of alkali metal hydroxide like potassium hydroxide, which is a base often used in soap making. (
  • Alkali metals can also react with hydrogen to form alkali metal hydrides, often used as strong bases. (
  • The relative strengths of the hydrogen bonds in kaolinite-alkali salt-water systems control kaolinite-salt interactions. (
  • 2). Although often listed in Group 1 due to its electronic configuration, hydrogen is not technically an alkali metal since it rarely exhibits similar behavior. (
  • Together with hydrogen they constitute group 1, which lies in the s-block of the periodic table.All alkali metals have their outermost electron in an s-orbital: this shared electron configuration results in their having very similar characteristic properties. (
  • The severity of this corrosive action depends on the strength of the acid or alkali, the concentration of the chemical, the temperature of the chemical, and the duration of contact. (
  • Strong acid/alkali should never be used without wearing eye protection such as safety glasses or a face shield. (
  • These practices include adding acid/alkali to water so that any splash will be primarily the water. (
  • This treatment with acid and alkali is usually effected by agitation with compressed air. (
  • Sulphur and phosphorus can sometimes be estimated by Messinger's method, in which the oxidation is effected by potassium permanganate and caustic alkali , or by potassium bichromate and hydrochloric acid. (
  • If the latex is warmed or an acid, an alkali or astringent plant juice is added to it, " coagulation " usually takes place more or less readily, the caoutchouc separating in solid flakes or curds. (
  • 5. The process of producing large surface area lignin derivatives which comprises, reacting in an aqueous medium an alkali lignin with from 0.17 to 2.0 moles of hexamethylene tetramine per mole of lignin at a temperature between 70° and 180° C., mixing said product with varsol and acetic acid, and drying said mixture. (
  • The researchers wanted to look at both an alkali-producing diet (the potassium bicarbonate group) and an acid-producing diet (the placebo group). (
  • The sulphuric acid required for the conversion of the salt into "salt cake" is made by the alkali manufacturer himself, this manufacture necessitating a large plant of "lead chambers" and accessories, and keeping up an immense trade in pyrites from Spain and Portugal. (
  • The investigators will test alkali treatment, to treat acid build-up, in a randomized placebo-controlled clinical trial to evaluate effects on muscles, bones, glucose metabolism and kidney. (
  • A delicate balance of acid and alkali exists in the blood, and bicarbonate serves to maintain the delicate balance of acid and alkali in the blood, also known as the pH balance, which is chiefly maintained by the lungs and kidneys. (
  • Diseases affecting the kidney and gastrointestinal tract functions are usually involved in the disruption of the acid and alkali balance in the blood. (
  • The next step will be to perform laboratory testing to check the levels of acid and alkali in the different body fluids. (
  • The FDA received a complaint describing alkali dosing errors that occurred during hemodialysis using dialysate concentrates containing acetic acid and acetate. (
  • The other alkali metals do not form stable carbides, although they do react with the graphite form of carbon to give intercalation compounds . (
  • The alkali metals have one electron in their outer shell, and therefore react easily with other elements and are found in nature only in compounds. (
  • [7] The exact chemical composition of potassium and sodium compounds, and the status as chemical element of potassium and sodium, was not known then, and thus Antoine Lavoisier did not include either alkali in his list of chemical elements in 1789. (
  • March 11/M2 PressWIRE -- Agricultural Research Service (ARS)-funded scientists have recently reported that compounds in plant foods which are alkali-producing may help preserve bone and muscle mass. (
  • Alkali metals are hydrogenation catalysts for aromatic compounds at high temperature and pressure. (
  • Further study has indicated that the alkali metals remove the weakly basic and non-basic nitrogen compounds to the exclusion of the basic nitrogen compounds. (
  • Alkali elements or alkali metal compounds may diffuse through a gaseous environment, get absorbed, and react with the semiconductor while it is being synthesized. (
  • The alkali metals also react with nonmetal s in Groups VA and VIA of the periodic table . (
  • [note 4] Indeed, the alkali metals provide the best example of group trends in properties in the periodic table, with elements exhibiting well-characterised homologous behaviour. (
  • alkali metals are the chemical elements found in group 1 on the periodic table. (
  • Alkali Earth Metals are the elements in the second group of the periodic table. (
  • Alkali metals, for example, which are found in the far left column of the periodic table, have a single electron in their outermost band. (
  • Elements of the group (1A) in the periodic table are called alkali metals (alkaline metals) because they react with water forming alkaline solutions. (
  • Plant potash lent the name to the element potassium, which was first derived from caustic potash, and also gave potassium its chemical symbol K (from the German name Kalium), which ultimately derived from alkali. (
  • al-qaly "ashes of the saltwort ") is a basic , ionic salt of an alkali metal or alkaline earth metal chemical element . (
  • even if it does turn out to be an alkali metal, it is predicted to have some differences in physical and chemical properties from its lighter homologues. (
  • Additionally, the development of consumer goods and infrastructural segments are boosting the Chlor-Alkali market and other chemical industries in emerging economies. (
  • MUMBAI - Shanghai Chlor-Alkali Chemical Co. Ltd., a Chinese maker of chlorinated PVC, is setting up a second plant in Shanghai. (
  • The 11 B chemical shift of four-coordinated boron is sensitive to the number of bonded phosphate units - as determined by 11 B{ 31 P} double resonance NMR and density functional theory calculations - and confirms the presence of phase separation for low alkali glasses. (
  • This work (i) shows that CIGSe device efficiency can be improved from 2% to 8% by gas-phase sodium incorporation alone, (ii) identifies the most likely routes for gas-phase alkali transport based on mass spectrometric studies, (iii) provides thermochemical computations to rationalize the observations and (iv) critically discusses the subject literature with the aim to better understand the chemical basis of the phenomenon. (
  • Chlorine is a major chemical building block in various industries and it accounts for major portion of overall chlor-alkali demand. (
  • Alkali mines and processes trona ore and manufactures soda ash that is used in the production of glass, detergents, chemical manufacturing, pulp and paper production, and water treatment. (
  • According to the report's estimations, as of 2018, Chlor-Alkali market attained a global value of $91,126m, and the market is expected to register a CAGR of 5.65% during the forecast period 2019-2025. (
  • The region held a dominating position with 36% of the global revenue share in Chlor-Alkali market as of 2018. (
  • By 2020, Chlor-Alkali industries of Europe are committed to cease the mercury-based plants as they majorly account for the mercury pollution in the environment. (
  • The salt market demand influences the production of chlorine is also a reason for the growth of the Asia Pacific Chlor-Alkali market. (
  • Changing lifestyle trends and consumer disposable income drive the demand for textile, food, glass and paper markets which depend on chlorine, a product of Chlor-Alkali industry. (
  • The chlor-alkali process is an electrolytic process by which chlorine and alkali are produced from a salt solution. (
  • The demand for chlorine is leading many chlor-alkali manufacturers to upgrade technology as well as manufacturing facilities to improve the production of allied products as well to have optimum output and it is expected to help in the growth of the market. (
  • The greater demand for chlorine from these industries drives the European chlor-alkali market. (
  • Moreover, the increased demand for EDC and PVC in emerging countries is expected to drive the African chlor-alkali market, as those industries need more chlorine during the forecast period. (
  • Elevated temperatures, presence of chlorine and high salt concentration throughout the chlor-alkali process make stable and reliable pH measurement with conventional pH electrodes a constant challenge. (
  • The alkali-silica reaction ( ASR ), more commonly known as "concrete cancer", is a swelling reaction that occurs over time in concrete between the highly alkaline cement paste and the reactive non-crystalline ( amorphous ) silica found in many common aggregates , given sufficient moisture. (
  • The alkali metals are extremely reactive and combine readily with most of the substances found in the atmosphere . (
  • Caesium, the fifth alkali metal, is the most reactive of all the metals. (
  • Alkali-silica reaction (ASR) can cause expansion and cracking of concrete due to the reaction between alkalis from the cement (i.e. the glue of concrete) and reactive silica from aggregate (i.e. the sand and gravel). (
  • Milk-alkali syndrome is a condition in which there is a high level of calcium in the body ( hypercalcemia ). (
  • Milk-alkali syndrome is almost always caused by taking too many calcium supplements, usually in the form of calcium carbonate. (
  • A high level of vitamin D in the body, such as from taking supplements, can worsen milk-alkali syndrome. (
  • Calcium deposits in the kidneys and in other tissues can occur in milk-alkali syndrome. (
  • You may need to be checked for milk-alkali syndrome. (
  • Milk-alkali syndrome is caused by the ingestion of large amounts of calcium and absorbable alkali, with resulting hypercalcemia. (
  • If unrecognized and untreated, milk-alkali syndrome can lead to metastatic calcification and renal failure . (
  • however, with the increased use and promotion of calcium carbonate for dyspepsia and for calcium supplementation, a resurgence of milk-alkali syndrome has occurred. (
  • A few authors recommend changing the name of milk-alkali syndrome to calcium-alkali syndrome, since this name reflects the changing epidemiology. (
  • Calcium- or milk-alkali syndrome is now the third most common cause of hypercalcemia in hospitalized patients. (
  • [ 2 ] The name milk-alkali syndrome was first used by Fuller Albright (one of the most important figures in endocrinology in the 20th century) and his colleagues in the 1949 New England Journal of Medicine article describing chronic renal disease in milk alkali syndrome. (
  • [ 3 ] This is the most cited article published about the condition with 251 citations in Web of Science as of June 2017 showing that the name milk-alkali syndrome has historical importance even if it does not reflect current pathogenesis. (
  • Milk-alkali syndrome can have an acute course with rapid induction of hypercalcemia and acute renal failure soon (within a week) after excess calcium carbonate is begun. (
  • Adaptation of intestinal calcium absorption to oral intake may play a role and help to explain individual variability in the development of milk-alkali syndrome. (
  • The former are likely at risk of developing milk-alkali syndrome. (
  • The data are clear that PTH is suppressed in milk-alkali syndrome. (
  • S. Punsar and T. Somer, "The milk-alkali syndrome. (
  • D. E. McMillan and R. B. Freeman, "The milk alkali syndrome: a study of the acute disorder with comments on the development of the chronic condition," Medicine , vol. 44, no. 6, pp. 485-501, 1965. (
  • Acids and alkalis can not only eat away at metal and metal oxides, but also at materials like skin and lung tissue. (
  • where x is the number of moles of alkali metal oxides and is an integer from 0.01 to 2.0, M is the alkali metal, y is the number of moles of SiO 2 in the unique SAMS compositions and is an integer greater than 2.0, and z is the number of moles of bound water and is an integer ranging from 1.0 to 5.0. (
  • The insoluble residue is the "alkali waste," which forms the vast piles, so hideous to look at and so dreadful to smell, which surround our large alkali works. (
  • A carbonate or hydroxide of an alkali metal, the aqueous solution of which is bitter, slippery, caustic, and characteristically basic in reactions. (
  • We investigated whether alkali supplementation with potassium bicarbonate (KHCO3), with or without vitamin D3 (± VD3), alters urinary nitrogen (indicator of muscle proteolysis), muscle fiber cross-sectional area (FCSA), fiber number (FN), and anabolic (IGF-1, Akt, p70s6k) and catabolic (FOXO3a, MURF1, MAFbx) signaling pathways regulating muscle mass. (
  • In this chapter, it is proposed to give a historical review of studies of alkali halide crystals with special reference to the interpretation of experimental Raman data on the basis of lattice dynamics. (
  • Both acids and alkalis are corrosive, that is, they react with or "eat away" materials with which they come in contact. (
  • Most common non metal lic substances such as the halogens , halogen acids, sulfur , and phosphorus react with the alkali metals. (
  • Acids are more dangerous than alkalis - is this true? (
  • What is the test called for acids or alkalis (beginning in L)? (
  • Except for cesium, which has a gold sheen, alkali metals are white. (
  • So because of this reason, cesium is also called alkali metal. (
  • Typically in ionic reactions, the alkali earth metals oxidize to a 2+ state since alla element in this period have two valence electrons. (
  • A s I scrolled through the few articles and reports I have collected over the past decade regarding alkali-silica reactions, I began to realize I had developed an ignorance to this elusive subject. (
  • Doping is normally achieved through solid state reactions, but recent observations of gas-phase alkali transport in the kesterite sulfide (Cu 2 ZnSnS 4 ) system (re)open the way to a novel gas-phase doping strategy. (
  • In the case of Cu(In,Ga)Se 2 (CIGSe) solar cell material, the current alkali metal doping procedures are overwhelmingly based on condensed state reactions. (
  • Cases of calcium-alkali syndrome have been reported from calcium carbonate intake with 2-9 grams of elemental calcium per day. (
  • Lye and calcium carbonate are each an example of an alkali. (
  • Alkali metals are group 1 elements and have 1 valence electron. (
  • However, with several chlor-alkali manufacturers are adopting membrane cell technology, there is significant scope for reduction of environmental impact. (
  • It provides ion exchange membrane cell technology for chlor-alkali production. (
  • An alkali can also be defined as a base that dissolves in water. (
  • The alkali metals all react violently with water . (
  • The rate of the reaction of water with the alkali metals increases with the atomic weight of the metal. (
  • Any of a group of soft metallic elements that form alkali solutions when they combine with water. (
  • How Do Alkali Metals React With Water? (
  • All six members of the alkali metals group react violently when exposed to water. (
  • many types of bases do not dissolve in water, and so they are not alkali. (
  • where x is the number of moles of sodium oxide and is between 0.01 to 2.0, y is the number of moles of SiO 2 in the alkali metal aluminosilicate composition and is greater than 2.0, and z is the number of moles of bound water and is 1.0 to 5.0. (
  • Basically, it is regular baking soda, sodium bicarbonate, that is baked at a low temperature to remove CO2 + water, making it sodium carbonate, a more active alkali. (
  • I tried the Koon Chun alkali water, but both times the dough became so tough it wouldn't stretch. (
  • In simple words, those metals which form a strong base (alkalis or alkaline solution) on reacting with water, are known as alkali metals. (
  • solutions when they react with water, which is why they are called alkali metals. (
  • A molecular entity containing one or more atoms of an alkali metal. (
  • from Arabic: القلوي‎ al-qaly "ashes of the saltwort") is a basic, ionic salt of an alkali metal or an alkaline earth metal. (
  • Hexamethylene tetramine derivatives of alkali lignins are formed by reacting, at a temperature between 70° C. and 180° C., 0.17 to 2.0 moles of a hexamethylene tetramine forming solution with 1 mole of an alkali lignin solubilized in an alkaline solution. (
  • 1. Derivatives of lignin obtained by reacting in an alkaline solution an alkali lignin with from 0.17 to 2.0 moles of hexamethylene tetramine per mole of lignin at a temperature between 70° and 180° C., said derivative dried to form products having large surface areas. (
  • According to the present invention it is possible to obtain lignin derivatives, which are capable of obtaining high surface areas upon proper drying, by reacting in an aqueous alkaline solution an alkali lignin with hexamethylene tetramine. (
  • In a copending application of Thomas R. P. Gibb, Jr. and Mario D. Banus, Serial No. 127,238, filedNovember 14, 1949 (now Patent No. 2,542,746 issued February 20, 1951), it is pointed out that some of these impurities had been introduced due to the presence of acetone in the isopropylamine and can be avoided by extracting the reaction product of the alkyl borate and alkali metal hydride with isopropylamine free of acetone. (
  • Synthesis of alkali-silica reaction product structurally identical to that formed in field concrete. (