Cobalt: A trace element that is a component of vitamin B12. It has the atomic symbol Co, atomic number 27, and atomic weight 58.93. It is used in nuclear weapons, alloys, and pigments. Deficiency in animals leads to anemia; its excess in humans can lead to erythrocytosis.Hydrogen Sulfide: A flammable, poisonous gas with a characteristic odor of rotten eggs. It is used in the manufacture of chemicals, in metallurgy, and as an analytical reagent. (From Merck Index, 11th ed)Sulfides: Chemical groups containing the covalent sulfur bonds -S-. The sulfur atom can be bound to inorganic or organic moieties.Cystathionine gamma-Lyase: A multifunctional pyridoxal phosphate enzyme. In the final step in the biosynthesis of cysteine it catalyzes the cleavage of cystathionine to yield cysteine, ammonia, and 2-ketobutyrate. EC 220.127.116.11.Cobalt Radioisotopes: Unstable isotopes of cobalt that decay or disintegrate emitting radiation. Co atoms with atomic weights of 54-64, except 59, are radioactive cobalt isotopes.Thiosulfates: Inorganic salts of thiosulfuric acid possessing the general formula R2S2O3.Sulfur Oxides: Inorganic oxides of sulfur.Nickel: A trace element with the atomic symbol Ni, atomic number 28, and atomic weight 58.69. It is a cofactor of the enzyme UREASE.Sulfur: An element that is a member of the chalcogen family. It has an atomic symbol S, atomic number 16, and atomic weight [32.059; 32.076]. It is found in the amino acids cysteine and methionine.Cobalt Isotopes: Stable cobalt atoms that have the same atomic number as the element cobalt, but differ in atomic weight. Co-59 is a stable cobalt isotope.Sulindac: A sulfinylindene derivative prodrug whose sulfinyl moiety is converted in vivo to an active NSAID analgesic. Specifically, the prodrug is converted by liver enzymes to a sulfide which is excreted in the bile and then reabsorbed from the intestine. This helps to maintain constant blood levels with reduced gastrointestinal side effects.Cystathionine beta-Synthase: A multifunctional pyridoxal phosphate enzyme. In the second stage of cysteine biosynthesis it catalyzes the reaction of homocysteine with serine to form cystathionine with the elimination of water. Deficiency of this enzyme leads to HYPERHOMOCYSTEINEMIA and HOMOCYSTINURIA. EC 18.104.22.168.Chromium: A trace element that plays a role in glucose metabolism. It has the atomic symbol Cr, atomic number 24, and atomic weight 52. According to the Fourth Annual Report on Carcinogens (NTP85-002,1985), chromium and some of its compounds have been listed as known carcinogens.Chromium Alloys: Specific alloys not less than 85% chromium and nickel or cobalt, with traces of either nickel or cobalt, molybdenum, and other substances. They are used in partial dentures, orthopedic implants, etc.Mustard Gas: Severe irritant and vesicant of skin, eyes, and lungs. It may cause blindness and lethal lung edema and was formerly used as a war gas. The substance has been proposed as a cytostatic and for treatment of psoriasis. It has been listed as a known carcinogen in the Fourth Annual Report on Carcinogens (NTP-85-002, 1985) (Merck, 11th ed).Allyl CompoundsOxidation-Reduction: A chemical reaction in which an electron is transferred from one molecule to another. The electron-donating molecule is the reducing agent or reductant; the electron-accepting molecule is the oxidizing agent or oxidant. Reducing and oxidizing agents function as conjugate reductant-oxidant pairs or redox pairs (Lehninger, Principles of Biochemistry, 1982, p471).Protoporphyrins: Porphyrins with four methyl, two vinyl, and two propionic acid side chains attached to the pyrrole rings. Protoporphyrin IX occurs in hemoglobin, myoglobin, and most of the cytochromes.Metals: 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)Sulfur Compounds: Inorganic or organic compounds that contain sulfur as an integral part of the molecule.Alkynes: Hydrocarbons with at least one triple bond in the linear portion, of the general formula Cn-H2n-2.Metals, Heavy: Metals with high specific gravity, typically larger than 5. They have complex spectra, form colored salts and double salts, have a low electrode potential, are mainly amphoteric, yield weak bases and weak acids, and are oxidizing or reducing agents (From Grant & Hackh's Chemical Dictionary, 5th ed)Sulfates: Inorganic salts of sulfuric acid.Iron: A metallic element with atomic symbol Fe, atomic number 26, and atomic weight 55.85. It is an essential constituent of HEMOGLOBINS; CYTOCHROMES; and IRON-BINDING PROTEINS. It plays a role in cellular redox reactions and in the transport of OXYGEN.Polychaeta: A class of marine annelids including sandworms, tube worms, clamworms, and fire worms. It includes also the genus Myxicola infundibulum.Sulfonium Compounds: Sulfur compounds in which the sulfur atom is attached to three organic radicals and an electronegative element or radical.Organothiophosphorus Compounds: Compounds containing carbon-phosphorus bonds in which the phosphorus component is also bonded to one or more sulfur atoms. Many of these compounds function as CHOLINERGIC AGENTS and as INSECTICIDES.Anaerobiosis: The complete absence, or (loosely) the paucity, of gaseous or dissolved elemental oxygen in a given place or environment. (From Singleton & Sainsbury, Dictionary of Microbiology and Molecular Biology, 2d ed)Cadmium: An element with atomic symbol Cd, atomic number 48, and atomic weight 114. It is a metal and ingestion will lead to CADMIUM POISONING.Porphyrins: A group of compounds containing the porphin structure, four pyrrole rings connected by methine bridges in a cyclic configuration to which a variety of side chains are attached. The nature of the side chain is indicated by a prefix, as uroporphyrin, hematoporphyrin, etc. The porphyrins, in combination with iron, form the heme component in biologically significant compounds such as hemoglobin and myoglobin.Spectrophotometry: The art or process of comparing photometrically the relative intensities of the light in different parts of the spectrum.Cysteine: A thiol-containing non-essential amino acid that is oxidized to form CYSTINE.Zinc: A metallic element of atomic number 30 and atomic weight 65.38. It is a necessary trace element in the diet, forming an essential part of many enzymes, and playing an important role in protein synthesis and in cell division. Zinc deficiency is associated with ANEMIA, short stature, HYPOGONADISM, impaired WOUND HEALING, and geophagia. It is known by the symbol Zn.Sulfites: Inorganic salts of sulfurous acid.Cadmium Compounds: Inorganic compounds that contain cadmium as an integral part of the molecule.Cysteine Synthase: An enzyme that catalyzes the biosynthesis of cysteine in microorganisms and plants from O-acetyl-L-serine and hydrogen sulfide. This enzyme was formerly listed as EC 22.214.171.124.Tungsten: Tungsten. A metallic element with the atomic symbol W, atomic number 74, and atomic weight 183.85. It is used in many manufacturing applications, including increasing the hardness, toughness, and tensile strength of steel; manufacture of filaments for incandescent light bulbs; and in contact points for automotive and electrical apparatus.CobamidesVitamin B 12: A cobalt-containing coordination compound produced by intestinal micro-organisms and found also in soil and water. Higher plants do not concentrate vitamin B 12 from the soil and so are a poor source of the substance as compared with animal tissues. INTRINSIC FACTOR is important for the assimilation of vitamin B 12.Sulfurtransferases: Enzymes which transfer sulfur atoms to various acceptor molecules. EC 2.8.1.Tungsten Compounds: Inorganic compounds that contain tungsten as an integral part of the molecule.Thiobacillus: A genus of gram-negative, rod-shaped bacteria that derives energy from the oxidation of one or more reduced sulfur compounds. Many former species have been reclassified to other classes of PROTEOBACTERIA.Hydroxocobalamin: Injectable form of VITAMIN B 12 that has been used therapeutically to treat VITAMIN B 12 DEFICIENCY.Corrinoids: Cyclic TETRAPYRROLES based on the corrin skeleton.Quinone Reductases: NAD(P)H:(quinone acceptor) oxidoreductases. A family that includes three enzymes which are distinguished by their sensitivity to various inhibitors. EC 126.96.36.199 (NAD(P)H DEHYDROGENASE (QUINONE);) is a flavoprotein which reduces various quinones in the presence of NADH or NADPH and is inhibited by dicoumarol. EC 188.8.131.52 (NADH dehydrogenase (quinone)) requires NADH, is inhibited by AMP and 2,4-dinitrophenol but not by dicoumarol or folic acid derivatives. EC 184.108.40.206 (NADPH dehydrogenase (quinone)) requires NADPH and is inhibited by dicoumarol and folic acid derivatives but not by 2,4-dinitrophenol.Oxidoreductases Acting on Sulfur Group Donors: Oxidoreductases with specificity for oxidation or reduction of SULFUR COMPOUNDS.Thiotrichaceae: A family of colorless sulfur bacteria in the order Thiotrichales, class GAMMAPROTEOBACTERIA.Sulfur-Reducing Bacteria: A group of gram-negative, anaerobic bacteria that is able to oxidize acetate completely to carbon dioxide using elemental sulfur as the electron acceptor.Sulfur Isotopes: Stable sulfur atoms that have the same atomic number as the element sulfur, but differ in atomic weight. S-33, 34, and 36 are stable sulfur isotopes.Molecular Sequence Data: Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in the published literature and/or are deposited in and maintained by databanks such as GENBANK, European Molecular Biology Laboratory (EMBL), National Biomedical Research Foundation (NBRF), or other sequence repositories.Deltaproteobacteria: A group of PROTEOBACTERIA represented by morphologically diverse, anaerobic sulfidogens. Some members of this group are considered bacterial predators, having bacteriolytic properties.Heme: The color-furnishing portion of hemoglobin. It is found free in tissues and as the prosthetic group in many hemeproteins.
This process creates cobalt-doped zinc sulfide. The cobalt salts help to stabilize zinc sulfide so it will not have as severe a ... Barium sulfide is produced by carbothermic reduction of barium sulfate. Zinc sulfate is obtained from a variety of zinc ... To suppress this effect, a dopant may be used, such as a small amount of cobalt salts, which would be added to the formulation ... The severity of this UV reaction is dependent on a combination of two factors; how much zinc sulfide makes up the pigments ...
List of alchemical substances
Zaffre - impure cobalt arsenate, formed after roasting cobalt ore. Zinc Blende - zinc sulfide. Gray, Theodore (2014). Molecules ... Galena - lead(II) sulfide. Lead ore. Glass of antimony - impure antimony tetroxide, formed by roasting stibnite. A yellow ... Milk of Sulfur (lac sulphuris) - formed by adding an acid to thion hudor (lime sulfur). Mosaic Gold - stannic sulfide, formed ... CaCO3 Chrome green - chromic oxide and cobalt oxide. Chrome orange - chrome yellow and chrome red. Chrome red - basic lead ...
Several metals are naturally present as metal sulfides; these include copper, lead, molybdenum, cadmium, nickel, silver, cobalt ... Most metal sulfides or their salts, are electrically conductive and this allows electrochemical redox reactions to efficiently ... The most common electrowon metals are lead, copper, gold, silver, zinc, aluminium, chromium, cobalt, manganese, and the rare- ...
However cobalt sulfide will precipitate if sulfide is formed during a reaction. Sulfoxylate in solution reacts with thiosulfate ... Cobalt sulfoxylate is made from sodium hyposulfite, cobalt chloride and ammonia. Zinc sulfoxylate is produced by reacting zinc ... It is likely to be formed as an intermediate when hydrogen sulfide is oxidised by living organisms, or in the atmosphere, or ... Cuprous sufoxylate Cu2SO2 can be made as a solid or liquid by heating cuprous sulfide and copper sulfate. Cu2SO2 melts at 610K ...
... is a sulfide mineral composed of cobalt, arsenic, and sulfur, CoAsS. It contains up to 10% iron and variable amounts ... Although rare, it is mined as a significant source of the strategically important metal cobalt. Secondary weathering ... and calcite along with numerous other Co-Ni sulfides and arsenides. It was described as early as 1832. It is found chiefly in ... incrustations of erythrite, hydrated cobalt arsenate, are common. The name is from the German, Kobold, "underground spirit" in ...
... is formed by oxidisation of primary sulfide assemblages in nickel sulfide mineralisation. The process of formation ... Common contaminants of polydymite are cobalt and iron. Polydymite forms a series with linnaeite, Co+2Co+32S4. ... is a supergene thiospinel sulfide mineral associated with the weathering of primary pentlandite nickel sulfide. Polydymite ... Polydymite is an important transitional ore in many nickel sulfide mines, as it has increased nickel tenor (Ni% as a total of ...
Bindura Nickel Corporation
... is the most common terrestrial nickel sulfide. It typically forms during cooling of a sulfide melt. These sulfide ... It also contains minor cobalt, usually at low levels as a fraction of weight. Pentlandite forms isometric crystals, but it is ... The behaviour of sulfide melts is complex and is affected by Cu:Ni:Fe:S. Typically, above 1100 °C, only one sulfide melt exists ... In sulfide saturated melts, Ni behaves as a chalcophile element and partitions strongly into the sulfide phase. Because most Ni ...
2001 DC smelting technology implemented for cobalt recovery (Chambishi Metals). Cyanide laboratory commissioned. AuTEK ... matte and alloy smelting of low-sulphide high-chromium PGM concentrates; preheating; prereduction; smelting; fuming and ... cobalt-copper recovery from furnace and converter slags; zinc recovery from slags and residues; ferro-alloy recovery from steel ...
First, copper is removed by adding hydrogen sulfide, leaving a concentrate of cobalt and nickel. Then, solvent extraction is ... This is supported by the positive results of the NTP bioassays with Ni sub-sulfide and Ni oxide in rats and mice. The human and ... It is one of only four elements that are magnetic at or near room temperature, the others being iron, cobalt and gadolinium. ... For kamacite, the alloy is usually in the proportion of 90:10 to 95:5, although impurities (such as cobalt or carbon) may be ...
Palladium Can be poisoned by amines, sulfides, thiols, lead and certain metal oxides. Nickel and Cobalt Can be poisoned by ... Common catalyst used are tungsten and molybdenum sulfide particles. By adding cobalt and nickel nuclei to either edge s or ... Platinum Can be poisoned by amines, sulfides, thiols, aluminum, cobalt, and bismuth. If the catalyst and reaction conditions ... Ruthenium, palladium, nickel, cobalt, and platinum are common catalysts used in many organic reactions. Some of the common ...
Chemaf was planning to commission a new SX/EW plant in 2009 with 6,000 tonnes/year capacity to produce refined cobalt. A 2008 ... An enlarged oxide cap about 50 metres (160 ft) overlays an inclined stratiform sulphide deposit. Tanganyika Concessions Ltd dug ... The unusually high grade of cobalt means that this contributes over half the revenue. The mine produced 1,071,516 tonnes of ore ... Control of all copper and cobalt exploration and production was given to Gécamines, established as the state mining company. ...
... is a cobalt arsenide mineral that has variable amounts of nickel and iron substituting for cobalt with a general ... The rare arsenide minerals are classified in Dana's sulfide mineral group, even though it contains no sulfur. The crystal ... It is mined as an ore of cobalt and nickel with a by-product of arsenic. The crystal structure of this mineral has been found ... Notable occurrences include Cobalt, Ontario, Skuterud, Norway, and Franklin, New Jersey in the United States. ...
Sulfides are some of the most unstable minerals in humid, oxidizing environments; many cadmium, cobalt, copper, molybdenum, ... Ferromagnesian minerals are the principal hosts for nickel, cobalt, copper and zinc in sulfide-poor mafic and ultramafic rocks ... nickel and zinc sulfides are easily leached to deep in the profile. Carbonates are highly soluble, especially in acidic ... and are retained higher in the profile than sulfide-hosted metals. They are leached from the upper horizons and reprecipitate ...
... , CuCo2S4, is a sulfide of copper and cobalt, often with substantial substitution of nickel for the metal ions, and a ... At temperatures around 900 °C a chalcocite-digenite solid solution coexists with cobalt sulfides. With decreasing temperature, ... Thus, the ideal formula one would expect for a spinel like carrollite is Cu2+Co3+2S2−4, but as in the case of copper sulfides ... The linnaeite group is a group of sulfides and selenides with the general formula AB2X4 in which X is sulfur or selenium, A is ...
The principal ores of copper, zinc, nickel, cobalt, molybdenum, and other metals are sulfides. These materials tend to be dark- ... iron sulfide), cinnabar (mercury sulfide), galena (lead sulfide), sphalerite (zinc sulfide) and stibnite (antimony sulfide); ... When dissolved in water, hydrogen sulfide is mildly acidic: H2S ⇌ HS− + H+ Hydrogen sulfide gas and the hydrosulfide anion are ... The iron sulfide called pyrite, the so-called "fool's gold", has the formula FeS2. Processing these ores, usually by roasting, ...
Sulfide mineral cumulates in layered intrusions are an important source of nickel, copper, platinum group elements and cobalt. ... They are not strictly a cumulate rock, as the sulfide is not precipitated as a solid mineral, but rather as immiscible sulfide ... The sulfide minerals generally form an interstitial matrix to a silicate cumulate. Sulfide mineral segregations can only be ... occasionally with cobaltite and platinum-tellurium sulfides. These deposits are formed by melt immiscibility between sulfide ...
... is a cobalt nickel sulfide mineral with formula: (Ni,Co)3S4 (a member of the thiospinel group). It occurs as opaque ... In Canada, it is known from the Langis mine, Cobalt-Gowganda area, Ontario. In Africa it occurs at Shinkolobwe, Katanga ... It occurs in hydrothermal copper-nickel-iron sulfide bearing veins associated with chalcopyrite, pyrrhotite, galena, sphalerite ... steel gray octahedral crystals associated with other sulfides. It was first described in 1850 for an occurrence in the ...
Ministry of Mining (Kenya)
... cobalt sulphide and hematite iron. Whilst Kenya is a relatively new mining destination we are very pleased with the ... cobalt, copper, apatite, niobium, iron ore and coal. Uganda also has a variety of mineral resources including copper, cobalt, ... cobalt, copper, platinum, hydropower, niobium, tantalum, gold, tin, tungsten, kaolin and limestone and this levid also apply ... cobalt, copper, platinum, hydropower, niobium, tantalum, gold, tin, tungsten, kaolin and limestone. Kenya has four belts of ...
Cobalt Nickel Copper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton Rubidium Strontium Yttrium Zirconium Niobium ... They easily react with carbon dioxide to form carbonates or bicarbonates, or with hydrogen sulfide to form sulfides or ... For example, sodium can react with sulfur to form the sulfide (Na2S) and various polysulfides with the formula Na2Sx (x from 2 ... Cobaltocene, Co(C5H5)2, is a metallocene, the cobalt analogue of ferrocene. It is a dark purple solid. Cobaltocene has 19 ...
Senarai reka cipta pada zaman pertengahan Islam Bahasa Melayu, ensiklopedia bebas
List of inorganic compounds
Hidrogen bahasa Indonesia, ensiklopedia bebas
Barium - Simple English Wikipedia, the free encyclopedia
Cobalt Nickel Copper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton Rubidium Strontium Yttrium Zirconium Niobium ... The barium sulfide is dissolved in hydrochloric acid. This makes hydrogen sulfide and barium chloride. The barium chloride is ... Barium reacts with many other metal oxides and sulfides to make barium oxide or sulfide and the metal. It also reacts with ... So barium sulfate is reduced by carbon to make barium sulfide and carbon dioxide. ...
Index of chemistry articles
... sulfide Mercury (I) chloride Mercury (element) Mercury (II) chloride mercury fulminate mercury-vapor lamp Metacinnabarite metal ... Chromite Chromium Chrysoberyl Chrysolite cinnabar Cinnabarite Citric acid Citrine quartz Clay Cleveite Coal Cobalt Coinage ... Hyalite Hydrazine hydrocarbon Hydrochloric acid hydrogen Hydrogen bond Hydrogen cyanide Hydrogen peroxide Hydrogen sulfide ...
Cobalt Nickel Copper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton Rubidium Strontium Yttrium Zirconium Niobium ... Binary compounds with other chalcogens are also known, such as the disulfide (GeS. 2), diselenide (GeSe. 2), and the ... Winkler was able to prepare several new compounds of germanium, including fluorides, chlorides, sulfides, dioxide, and ... The disulfide is appreciably soluble in water and in solutions of caustic alkalis or alkaline sulfides. Nevertheless, it is not ...
These hemoglobins are remarkable for being able to carry oxygen in the presence of sulfide, and even to carry sulfide, without ... A synthetic cobalt-based porphyrin. Coboprotein would appear colorless when oxygenated, but yellow when in veins.. Presence in ... hydrogen sulfide and sulfide. A variant of the molecule, called leghaemoglobin, is used to scavenge oxygen away from anaerobic ... In addition to dealing with transport and sensing of oxygen, they may also deal with NO, CO2, sulfide compounds, and even O2 ...
നീറ്റുകക്ക - വിക്കിപീഡിയ
Cobalt Nickel Copper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton Rubidium Strontium Yttrium Zirconium Niobium ... Bismuth sulfide, Bi. 2S. 3, occurs naturally in bismuth ores. It is also produced by the combination of molten bismuth and ... Oxides and sulfides. At elevated temperatures, the vapors of the metal combine rapidly with oxygen, forming the yellow ... I (Elements, Sulfides, Sulfosalts). Chantilly, VA, US: Mineralogical Society of America. ISBN 978-0-9622097-0-3. . Retrieved 5 ...
Cobalt pigments: cobalt violet, cobalt blue, cerulean blue, aureolin (cobalt yellow). *Copper pigments: Azurite, Han purple, ... Some inorganic pigments, such as vermilion (mercury sulfide) or cadmium yellow (cadmium sulfide), absorb light by transferring ... and the various forms of Cobalt and Cerulean blue. In the early 20th century, organic chemistry added Phthalo Blue, a synthetic ...
Li, L; Hsu, A; Moore, PK (2009). "Actions and interactions of nitric oxide, carbon monoxide and hydrogen sulphide in the ... Cobalt(II,III) oxide (Co3O4). *Europium(II,III) oxide (Eu3O4) ... Hydrogen sulfide (H2S). *Nitric oxide (NO); Candidates: ... the other two being nitric oxide and hydrogen sulfide), carbon monoxide has received a great deal of clinical attention as a ... the other two being nitric oxide and hydrogen sulfide), carbon monoxide has received a great deal of clinical attention as a ...
کادمیم اکسید - ویکیپدیا، دانشنامهٔ آزاد
Sulfide ores are not reduced directly to the metal but are roasted in air to convert them to oxides. ... In humans, some metals are either essential nutrients (typically iron, cobalt, and zinc), or relatively harmless (such as ... Iron, cobalt, nickel, and tin are also siderophiles from a whole of Earth perspective. ... Hexagonal close-packed crystal structure, with a 6-atom unit cell, as found in e.g. titanium, cobalt, and zinc ...
Cobalt Nickel Copper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton Rubidium Strontium Yttrium Zirconium Niobium ... Thallium(I) sulfide's electrical conductivity changes with exposure to infrared light therefore making this compound useful in ... Commercially, thallium is produced not from potassium ores, but as a byproduct from refining of heavy-metal sulfide ores. ... occur in nature as complexes of sulfides or selenides that primarily contain antimony, arsenic, copper, lead, and/or silver. ...
Cobalt Nickel Copper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton Rubidium Strontium Yttrium Zirconium Niobium ... Other oxides include Re2O5, ReO2, and Re2O3. The sulfides are ReS2 and Re2S7. Perrhenate salts can be converted to ... Commercial rhenium is extracted from molybdenum roaster-flue gas obtained from copper-sulfide ores. Some molybdenum ores ... a rhenium sulfide mineral (ReS2) condensing from a fumarole on Kudriavy volcano, Iturup island, in the Kuril Islands. ...
Cobalt Nickel Copper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton Rubidium Strontium Yttrium Zirconium Niobium ... Dimethyl Sulfide, and Dimethyl Sulfoxide". Journal of the American Chemical Society. 99 (21): 6983-6986. doi:10.1021/ ... 5 compounds between yttrium or thorium and nickel or cobalt". Inorganic Chemistry. 13 (9): 2282-2283. doi:10.1021/ic50139a050. ...
List of IARC Group 3 carcinogens
... cobalt-based, chromium-based and titanium-based alloys, stainless steel and depleted uranium Furazolidone Furfural Furosemide ( ... morpholinophosphine sulfide Bis(2-chloroethyl)ether 1,2-Bis(chloromethoxy)ethane 1,4-Bis(chloromethoxymethyl)benzene Bis(2- ... 10-Epoxystearic acid Estazolam Ethionamide Ethylene Ethylene sulfide Ethylenethiourea 2-Ethylhexyl acrylate Ethyl selenac Ethyl ...
It is usually found in association with galena, pyrite, and other sulfides along with calcite, dolomite, and fluorite. Miners ... The lattice constant for zinc sulfide in the zinc blende crystal structure is 0.541 nm, calculated from geometry and ionic ... It consists largely of zinc sulfide in crystalline form but almost always contains variable iron. When iron content is high it ... radii of 0.074 nm (zinc) and 0.184 nm (sulfide). It forms ABCABC layers. ...
Vitamin B12 total synthesis
One of the nitrogen atoms on the imidazole is a fifth nitrogen ligand for the cobalt atom. A total of nine carbon atoms on the ... Dimethylamine addition opened the thiolactone ring with an exocyclic alkene group in 60 by elimination of the sulfide anion ... The core of the molecule vitamin B12 (cobalamin) is a corrin structure (depicted in red) with at its center a cobalt ion. ... The final cyclisation reaction of 60 to 61 was facilitated by the central cobalt ion (placing the ends in close proximity) and ...
Cobalt Nickel Copper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton Rubidium Strontium Yttrium Zirconium Niobium ... The best known sulfide is iron pyrite (FeS2), also known as fool's gold owing to its golden luster. It is not an iron(IV) ... 1. Sheet steel, 2. Silicon steel, 3. Cast steel, 4. Tungsten steel, 5. Magnet steel, 6. Cast iron, 7. Nickel, 8. Cobalt, 9. ... Many igneous rocks also contain the sulfide minerals pyrrhotite and pentlandite. During weathering, iron tends to leach ...
Mechanism of cobalt-catalyzed hydroformylation. The process begins with dissociation of CO from cobalt tetracarbonyl hydride to ... sulfides. ... Losses are compensated by the addition of cobalt salts. ... Markovnikov's rule addition of the cobalt hydride to primary alkenes is disfavored by steric hindrance between the cobalt ... The process is carried out at a pressure of about 30 MPa and in a temperature range of 150 to 170 °C. The cobalt is recovered ...
Cobalt. structural good. Good high-temperature properties and corrosion resistance. In nuclear applications can absorb neutrons ... Forms brittle nickel sulfide (Ni3S2) that segregates at grain boundaries and cause intergranular failure. ... Cobalt alloys. Good high-temperature corrosion resistance, possible alternative to Au-Pd brazes. Low workability at low ... For brazing copper, brass, nickel alloys, Monel, medium and high carbon steels and chromium alloys, cobalt alloys, tungsten ...
Glass coloring and color marking
Small concentrations of cobalt (0.025 to 0.1%) yield blue glass. The best results are achieved when using glass containing ... Cadmium together with sulphur forms cadmium sulfide and results in deep yellow color, often used in glazes. However, cadmium is ... When used together with cadmium sulfide, it yields a brilliant red color known as "Selenium Ruby". ... Nickel together with a small amount of cobalt was used for decolorizing of lead glass. ...
Cobalt sulfide - Wikipedia
Cobalt sulfides occur widely as minerals, comprising major sources of all cobalt compounds. Binary cobalt sulfide minerals ... Cobalt sulfide minerals are converted to cobalt via roasting and extraction into aqueous acid. In some processes, the cobalt ... Cobalt sulfide is the name for chemical compounds with a formula CoxSy. Well-characterized species include minerals with the ... Synthetic cobalt sulfides are widely investigated as electrocatalysts. Congiu, M.; Albano, L. G. S.; Decker, F.; Graeff, C. F. ...
NIOSHTIC-2 Publications Search - 10006031 - Recovery of Cobalt and Copper from Complex Sulfide Concentrates.
... techniques to remove impurities and recover cobalt from sulfate liquors prepared by oxidative pressure leaching of the sulfide ... of Mines conducted laboratory investigations with the objective of developing an alternative process for recovering cobalt and ... copper from complex sulfide concentrates. Processes currently used depend largely upon precipitation ... electrowinning of cobalt from a recirculating weak acid strip liquor. Overall cobalt and copper recoveries were 91.7 and 84.1 ...
Cobalt sulfide (CoS2) | CoS2-4 - PubChem
Textile-based high-performance hydrogen evolution of low-temperature atomic layer deposition of cobalt sulfide - Nanoscale (RSC...
Textile-based high-performance hydrogen evolution of low-temperature atomic layer deposition of cobalt sulfide D. Kim, J. Song ... Textile-based high-performance hydrogen evolution of low-temperature atomic layer deposition of cobalt sulfide ... Transition metal chalcogenides, especially cobalt sulfides (CoSx), are considered an alternative to platinum because of their ...
Morphology-activity correlation in hydrogen evolution catalyzed by cobalt sulfides - Inorganic Chemistry Frontiers (RSC...
Transition metal chalcogenides such as cobalt sulfides (CoS) have recently attracted significant interest in electrocatalytic ... Morphology-activity correlation in hydrogen evolution catalyzed by cobalt sulfides B. You, N. Jiang and Y. Sun, Inorg. Chem. ... Transition metal chalcogenides such as cobalt sulfides (CoS) have recently attracted significant interest in electrocatalytic ...
A Tandem Surface Of Lead Sulfide And Cobalt Oxides Bade By Spray Pyrolysis Method | (1987) | Bo-hou | Publications | Spie
A Tandem Surface Of Lead Sulfide And Cobalt Oxides Bade By Spray Pyrolysis Method Author(s): Cheng Bo-hou; Li Xiamg -ming; ... A tandem surface of lead sulfide and cobalt oxides was made by spray pyrolysis method. Its efficiency and durability are ... Lead sulfide is a kind of selective surface material with remarkable efficiency but has the defect in durability when it is ... Cobalt oxide is another kind of selective surface material with remarkable efficiency too. Its durability is good but has the ...
Sienna Resources Intersects Massive Sulphide Mineralization on its Slattberg Nickel-Copper-Cobalt Project Drill Program in...
Sienna Resources is pleased to announce the completion of its drill program on its flagship nickel, copper and cobalt Slättberg ... Sienna Resources Intersects Massive Sulphide Mineralization on its Slattberg Nickel-Copper-Cobalt Project Drill Program in ... Sienna-Resources-Intersects-Massive-Sulphide-Mineralization-on-its-Slattberg-Nickel-Copper-Cobalt-Project-Drill-Program-in- ... Sienna-Resources-Intersects-Massive-Sulphide-Mineralization-on-its-Slattberg-Nickel-Copper-Cobalt-Project-Drill-Program-in- ...
A quasi core-shell nitrogen-doped graphene/cobalt sulfide conductive catalyst for highly efficient dye-sensitized solar cells -...
... cobalt sulphide) and the shell (N-doped graphene). It enables dye-sensitized solar cells (DSSCs) to obtain high energy ... A novel conductive catalyst was designed based on a quasi core shell structure of N-doped graphene/cobalt sulfide. This ... A quasi core-shell nitrogen-doped graphene/cobalt sulfide conductive catalyst for highly efficient dye-sensitized solar cells ... A novel conductive catalyst was designed based on a quasi core shell structure of N-doped graphene/cobalt sulfide. This ...
cobalt sulfide thin film
Cobalt(II) sulfide mass and molar concentrations
... sulfide using its molecular weight. Materials mass and molar concentrations calculator ... Convert between mass and molar concentrations of Cobalt(II) ... About Cobalt(II) sulfide. *Cobalt(II) sulfide weighs 5.45 gram ... Cobalt(II) sulfide is reddish-brown to black octahedral crystalline system.. *Also known as: Cobalt sulfide; Cobaltous sulfide ... Concentration of Cobalt(II) sulfide. cobalt(ii) sulfide: convert between mass and molar concentration. ...
How did radium get its name? | Reference.com
Solubility Cobalt(II) sulfide. Solubility CoS. Properties Cobalt(II) sulfide (CoS).
Name each of the following ionic compounds: (a) Ca(CH3CO2)2 | bartleby
Give the symbol, including the correct charge, for | bartleby
Invisible ink - Wikipedia
Zeitschrift für Physikalische Chemie
Revival: Alcohol Interactions with Drugs and Chemicals (1991) - 1st Ed
Patent US20050118081 - Process for the recovery of value metals from base metal sulfide ores - Google Patents
... to effect formation of hydrogen sulfide from the base metal sulfide ore. The hydrogen sulfide is stripped from the leach ... A process for leaching a value metal from a base metal sulfide ore, comprising the step of leaching the ore with a lixiviant ... Cobalt may be found in the lattice of a pentlandite ore. Base metal sulfide ores have been used extensively in the commercial ... in which the sulfide ore comprises a base metal sulfide ore, a concentrate of a base metal sulfide ore, tailings from the ...
Residue, Nickel sulphide leaching - Registration Dossier - ECHA
Cobalt sulphideCobalt sulphide. CAS Number:. 1317-42-6. Molecular formula:. CoS. IUPAC ... Copper sulphidesulphide. CAS Number:. 1317-40-4. Molecular formula:. CuS. IUPAC ... Nickel sulphidesulphide. CAS Number:. 16812-54-7. Molecular formula:. NiS. IUPAC ... Cobalt sulphateCobalt sulphate. CAS Number:. 10124-43-3. Molecular formula:. Co.H2O4S. ...
Scientific Paper: Nanostructured Cobalt Sulfide-on-Fiber with Tunable morphology as Electrodes for Asymmetric Hybrid...
Effect of thiosulfate, sulfide, copper(II), cobalt(II)/(III) and iron oxides on the ammoniacal carbonate leaching of nickel and...
Effect of thiosulfate, sulfide, copper(II), cobalt(II)/(III) and iron oxides on the ammoniacal carbonate leaching of nickel and ... 2010) Effect of thiosulfate, sulfide, copper(II), cobalt(II)/(III) and iron oxides on the ammoniacal carbonate leaching of ... have related the low recovery of nickel and cobalt in the Caron roast-leach process to the formation of less reactive sulfides ... after 45-60 min due to the precipitation of red/black oxides and sulfides. Direct involvement of S2O32- and redox mediation by ...
ChemIDplus - 12013-10-4 - XUKVMZJGMBEQDE-UHFFFAOYSA-N - Cobalt sulfide (CoS2) - Similar structures search, synonyms, formulas,...
Cobalt and Cobalt Compounds (IARC Summary & Evaluation, Volume 52, 1991)
Sulfuric acid, cobalt(2+) salt (1:1) Synonyms for Cobalt sulfide *Cobalt monosulfide *Cobaltous sulfide *Cobalt(2+) sulfide ... Synonyms for Cobalt[II] acetate *Acetic acid, cobalt(2+) salt *Bis(acetato)cobalt *Cobalt acetate *Cobalt(2+) acetate *Cobalt ... Synonyms for Cobalt *C.I. 77320 *Cobalt element *Cobalt-59 Synonyms for Cobalt-chromium alloy *Cobalt alloy [nonbase], Co, Cr * ... Synonyms for Cobalt[III] oxide *C.I. 77323 *Cobalt oxide [Co2O3] *Cobaltic oxide *Cobalt(3+) oxide *Cobalt peroxide *Cobalt ...
Molybdenum sulfide hydrogen evolution catalysts - Chemical Science Blog
NIOSHTIC-2 Publications Search - 10009738 - Leaching Complex Sulfide Concentrates Using Aqueous Chloride Oxidation Systems.
The Bureau of Mines is investigating chlorine hydrometallurgy techniques for recovering metal values from complex sulfide ... cobalt, and silver. Respective silver and cobalt recoveries of 99 and 97 pct were obtained. Both leaching systems reject the ... Metal recoveries of 95 to 99 pct were obtained for lead, zinc, copper, cobalt, silver, and nickel. A similar technique, ... The Bureau of Mines is investigating chlorine hydrometallurgy techniques for recovering metal values from complex sulfide ...
Nanomaterials | Free Full-Text | A Review on the Promising Plasma-Assisted Preparation of Electrocatalysts | HTML
Cobalt sulfide also has good electrocatalytic activity. Dou et al.  prepared bifunctional catalysts with catalytic ORR and ... Engineering Cobalt Defects in Cobalt Oxide for Highly Efficient Electrocatalytic Oxygen Evolution. ACS Catal. 2018, 8, 3803- ... 3.2.1. Cobalt Oxides. Cobalt oxide (CoOx) has attracted much attention for its superior catalytic activity in electrocatalysts ... Transition Metal Sulfides. Transition metal sulfides which have received extensive attention in recent years, have become new ...
Phys.org - cobalt
Heat treatment offers precise control over catalytic activity of metal sulfide nanoparticles. Nanoparticle catalysts developed ... Cobalt is used in the preparation of magnetic, wear-resistant and high-strength alloys. Cobalt silicate and cobalt(II) ... Cobalt occurs naturally as only one stable isotope, cobalt-59. Cobalt-60 is a commercially important radioisotope, used as a ... Cobalt. Cobalt ( /ˈkoʊbɒlt/ or /ˈkoʊbɔːlt/) is a chemical element with symbol Co and atomic number 27. It is found naturally ...
Synthesis of 3D Hexagram-like Cobalt-Manganese Sulfides Nanosheets Grown on Nickel Foam: A Bifunctional Electrocatalyst for...
Herein, we developed a bimetallic cobalt-manganese sulfide supported on Ni foam (CMS/Ni) via a solvothermal method. It has ... Herein, we developed a bimetallic cobalt-manganese sulfide supported on Ni foam (CMS/Ni) via a solvothermal method. It has ... Based on the above mentioned, a cobalt-manganese sulfides composite with a unique nanostructure was synthesized to exhibit an ... Title: Synthesis of 3D Hexagram-like Cobalt-Manganese Sulfides Nanosheets Grown on Nickel Foam: A Bifunctional Electrocatalyst ...
Polymers | Free Full-Text | Nanocomposites Based on Metal and Metal Sulfide Clusters Embedded in Polystyrene | HTML
However, this chemical approach is quite universal and a large variety of polymer-embedded metals or metal sulfides could be ... which produces metal atoms or metal sulfide species and an organic by-product, disulfide (RSSR) or thioether (RSR) molecules, ... in most techno-polymers and the resulting solid solutions can be annealed to generate polymer-embedded metal or metal sulfide ... Preparation and characterization of cobalt-based nanostructured materials. Eur. Phys. J. B 2003, 31, 545-551. [Google Scholar] ...
Hair Dyes and Hair Treatments | Encyclopedia.com
Minerals such as lead acetate (,1% aqueous), lead sulfide (kohl); silver nitrate; salts of bismuth, copper, and cobalt ( ... cobalt, tar in cigarettes, picric acid, trinitrotoluene, etc.). Prolonged exposure to copper in diet, tap water, or swimming ... silver is deposited in the hair cortex as silver sulfide. Metallic hair dyes tend to be long-lasting and are lost as hair grows ... the lead salt is poorly absorbed but interacts with keratin to deposit lead sulfide (at permitted levels [,0.5%] lead is ...
ZincOxidesManganese SulfideCatalystsSulfur2017CobaltitePrecipitationChromiumCompoundConcentratesElectrodePigmentsCrustsAlloysHydrogen evolutionIonsOccursNorth AmericaCrystallineBimetallicChlorideNodules2018Catalytic activityIronMineralizationSaltsSynthesisSilver and cobaltCopper and cobaltReductionSulphate
- 2 . The process of claim 1 further comprising selecting a sulfide ore material that contains at least one value metal selected from the group consisting of nickel, copper, zinc and cobalt, and mixtures thereof. (google.com)
- The chlorine-oxygen leaching technique was shown to be effective for extracting metal values from complex lead- zinc-copper concentrates and from a copper-lead matte containing cobalt and nickel. (cdc.gov)
- Widespread growth of battery-driven technologies such as smartphones, computers, wind turbines and solar panels is changing this calculation as the world runs low on land-based deposits of copper, nickel, aluminum, manganese, zinc, lithium and cobalt. (bigthink.com)
- Ardea also owns an extensive portfolio of projects in Western Australia and New South Wales which are highly prospective for gold, nickel sulphide and zinc. (abnnewswire.net)
- This was done by using other metals (zinc, cobalt and iron) in comparison with copper. (wur.nl)
- Zinc and cobalt clearly alleviated the sulfide inhibition of N2OR to the same extent as copper and the activity restoration was extremely fast (within 15 min, Fig. 3) for zinc, cobalt and copper. (wur.nl)
- Cocultures contained spheroid zinc sulfides and cobalt/copper sulfides. (figshare.com)
- It is composed of a mixture of barium sulfate and zinc sulfide . (wikipedia.org)
- Related white pigments include titanium dioxide , zinc oxide ("zinc white"), and zinc sulfide . (wikipedia.org)
- The material came in different "seals", which varied in the content of zinc sulfide. (wikipedia.org)
- Gold seal and Bronze seals contain 40-50% zinc sulfide, offering more hiding power and strength. (wikipedia.org)
- Although barium sulfate is almost completely inert, zinc sulfide degrades upon exposure to UV light, leading to darkening of the pigment. (wikipedia.org)
- how much zinc sulfide makes up the pigments formulation, and its total accumulated UV exposure. (wikipedia.org)
- This process creates cobalt-doped zinc sulfide. (wikipedia.org)
- The cobalt salts help to stabilize zinc sulfide so it will not have as severe a reaction to UV exposure. (wikipedia.org)
- Lithopone is produced by coprecipitation of barium sulfate and zinc sulfide. (wikipedia.org)
- Variations exist, for example, more ZnS-rich materials are produced when zinc chloride is added to the mixture of zinc sulfate and barium sulfide. (wikipedia.org)
- 5. A self-metabolic functional material according to claim 1, wherein the chemically reactive ferromagnetic component is a metal oxide, wherein the metal is selected from the group consisting of manganese, iron, cobalt, nickel, copper and zinc. (google.co.uk)
- Its efficiency and durability are similar to that of the cobalt oxides selective surface made by the same method but the production cost is considerably reduced. (spie.org)
- Previous studies have related the low recovery of nickel and cobalt in the Caron roast-leach process to the formation of less reactive sulfides during roasting and/or the passivation or surface blockage of ferronickel by oxides and/or sulfides. (edu.au)
- This is followed by a decrease in iron extraction to ≤ 2% after 45-60 min due to the precipitation of red/black oxides and sulfides. (edu.au)
- The concentrated product is subjected to heating in air (roasting) to form oxides or sulfates from the sulfide, which are more easily reduced. (cdc.gov)
- Herein, we developed a bimetallic cobalt-manganese sulfide supported on Ni foam (CMS/Ni) via a solvothermal method. (nanomicrolett.com)
- Here we show that with the combination of an ether-based NaPF 6 /diglyme electrolyte, the dandelion-shaped manganese sulfide electrode displays enhanced reversible capacity, cycle life, and rate capability. (nature.com)
- In combination with molybdenum, the sulfides of cobalt are used as catalysts for the industrial process called hydrodesulfurization, which is implemented on a large scale in refineries. (wikipedia.org)
- At the end of the 1980s, about one-third of the cobalt used was in the production of cobalt chemicals, which are used primarily as catalysts and pigments. (inchem.org)
- Amorphous molybdenum sulfide films are highly active hydrogen evolution catalysts, say researchers from Switzerland. (rsc.org)
- If there is enough sulfur in the mineral to be named in the formula then it is treated as a normal sulfide. (galleries.com)
- In most ordinary sulfides that contain a semi-metal such as antimony, arsenic or bismuth, they substitute in the sulfur positions, but in sulfosalts they substitute for the metal ions and bond with the sulfurs. (galleries.com)
- In sulfur saturated melts, nickel behaves as a chalcophile element and partitions strongly into the sulfide phase. (newworldencyclopedia.org)
- Because most nickel exists in ultramafic rocks and behaves as a compatible element in igneous differentiation processes, the formation of nickel-bearing sulfides is essentially restricted to sulfur saturated mafic and ultramafic melts. (newworldencyclopedia.org)
- The project comprises a volcanogenic massive sulphide ore deposit, with one of Australia's highest grade JORC compliant Inferred Resources for copper: 3.2Mt @ 3.35% (6 September 2017). (abnnewswire.net)
- The worldwide market for Hydrogen Sulfide Removal is expected to grow at a CAGR of roughly xx% over the next five years, will reach xx million US$ in 2023, from xx million US$ in 2017, according to a new GIR (Global Info Research) study. (reportsnreports.com)
- Copper sulfide precipitation by yeasts from acid mine- waters. (springer.com)
- It remained, however, unclear if this was due to copper sulfide precipitation or a retrofitting of the copper containing N2O-reductase (N2OR). (wur.nl)
- This suggests that the alleviation of the inhibitory effect of sulfide is due to metal sulfide precipitation and thus not exclusively limited to Cu. This work also underlines the importance of metal speciation: supply of iron did not restore the N2OR activity because it was precipitated by the phosphates present in the medium and thus could not precipitate the sulfide. (wur.nl)
- A finely powdered cobalt-chromium-molybdenum alloy was tested in rats by intramuscular injection, producing sarcomas at the injection site. (inchem.org)
- In two other experiments in rats, coarsely or finely ground cobalt-chromium-molybdenum alloy implanted in muscle or pellets of cobalt-chromium-molybdenum alloy implanted subcutaneously did not induce sarcomas. (inchem.org)
- In an experiment in guinea-pigs, intramuscular implantation of a cobalt-chromium-molybdenum alloy powder did not produce local tumours. (inchem.org)
- Intraperitoneal injection of a cobalt-chromium-aluminium spinel in rats produced a few local malignant tumours, and intratracheal instillation of this spinel in rats was associated with the occurrence of a few pulmonary squamous-cell carcinomas. (inchem.org)
- An electrode material includes a sulfide compound containing a tetrazole ring as an active substance. (google.com)
- For example, a sulfide compound having a triazine ring or a thiadiazole ring has been used as an electrode material. (google.com)
- As a technique for improving the sulfide-series secondary battery so as to deal with a large current, as disclosed in JP-A-5-74459, an electrode material in which an organic compound having a thiadiazole ring and a disulfide group are combined with a conductive polymer, such as polyaniline, has been proposed. (google.com)
- a) Manganese (II) sulfide This is a compound involving a transition metal, so we have to be aware of which valence to use for the metal. (gradesaver.com)
- A similar technique, employing a ferrous chloride-oxygen leaching procedure, was employed to extract metal values from concentrates that contain as much as 45 pct arsenic along with copper, cobalt, and silver. (cdc.gov)
- The Bureau of Mines investigated a silver-catalyzed oxidative procedure for leaching an arsenical copper sulfide concentrate containing 10 pct As and 32 pct Cu_ Currently, there are no environmentally safe means to treat arsenical copper concentrates in the United States. (cdc.gov)
- Metal sulfide materials serve as environment-friendly, sustainable, and effective electrode materials for green-energy storage systems. (nature.com)
- The present invention relates to an electrode material for a secondary battery, and more particularly to a sulfide series electrode material. (google.com)
- No. 9, pages 2570-2575 (1989), the electron moving speed in an electrode reaction of the sulfide-series secondary battery is very low so that it is difficult to take out a large current for practical use at room temperatures. (google.com)
- This was synthesized along with a copper cobalt sulfide (CuCo 2 S 4 ) structure as the positive electrode to complete the supercapacitor. (yonsei.ac.kr)
- Since the beginning of the twentieth century, the major uses of cobalt have been in the production of metal alloys, such as superalloys and magnetic alloys, as well as high-strength steels and hard-metal cemented carbides. (inchem.org)
- Cobalt concentrations in tissue, serum and urine can be increased in patients with implants made of cobalt-containing alloys. (inchem.org)
- Implantation in the rat femur of three different cobalt-containing alloys , in the form of powder, rod or compacted wire, resulted in a few local sarcomas. (inchem.org)
- In another experiment, intramuscular implantation of polished rods consisting of three different cobalt-containing alloys did not produce local sarcomas. (inchem.org)
- Cobalt is used in the preparation of magnetic, wear-resistant and high-strength alloys. (phys.org)
- In some processes, the cobalt salts are further purified by precipitated when aqueous solutions of cobalt(II) ions are treated with hydrogen sulfide. (wikipedia.org)
- This is a large segment of the sulfide class whose difference from the other sulfides lies in the position of the semi-metal ions. (galleries.com)
- Unfortunately the sulphides of the most commonly used metal ions, cobalt and nickel, are similar in appearance, and cannot always be distinguished. (springer.com)
- and the only permitted cobalt refinery in North America capable of producing battery materials. (globenewswire.com)
- This report focuses on the Hydrogen Sulfide Removal in global market, especially in North America, Europe and Asia-Pacific, South America, Middle East and Africa. (reportsnreports.com)
- With the development of shale gas in North America, the hydrogen sulfide scavengers industrial will continue to develop in the future. (reportsnreports.com)
- Effect of Ion Diffusion in Cobalt Molybdenum Bimetallic Sulfide toward Electrocatalytic Water Splitting. (nih.gov)
- In the past years, bimetallic sulfides (BMSs) with high theoretical capacity and outstanding redox reversibility have shown great promise as high performance anode materials for SIBs. (frontiersin.org)
- In 2018, Sienna intersected 13.0 meters averaging 0.32% nickel and 0.28% copper and 0.034% cobalt and 0.32 ppm platinum + palladium in drill hole SIE-18-005, as reported in Sienna's News Release dated May 17, 2018. (goldseiten.de)
- US Cobalt has scheduled a shareholder vote on May 17, 2018 with the transaction expected to close by the end of May 2018. (globenewswire.com)
- Skutterudite is the cobalt-rich end member of a series (Smaltite, Chloanthite, or Ferro-Arsenite) in which Nickel or Iron replaces part of the Cobalt. (galleries.com)
- The iron sulfide it contains can react with oxygen and water over time to cause swelling and cracking. (wikipedia.org)
- 17. The structure of claim 16 wherein the ferromagnetic particles are iron, cobalt or nickel particles or a mixture of any thereof. (google.es)
- Based upon a visual inspection by the head geologist at the drill, drill hole SIE-19-001 intersected bodies of semi-massive to massive sulfide mineralization and breccias over a 4.625 meter interval from 168-172.625 meters, with additional masses of sulfide mineralization and breccia that persisted to a depth of 195 meters 1 . (goldseiten.de)
- The sulfide mineralization intersected in 19-001 was also associated with and hosted by a swarm of diabase (mafic) dikes, which persisted to the end of the hole at 259.5 meters. (goldseiten.de)
- Further, the presence of visible sulfide mineralization distributed over a 27 meter interval in the drill hole 2 and the intensity of the dike swarm may suggest that Sienna is tapping into a "feeder zone" for the system. (goldseiten.de)
- Significant cobalt values drilled in steeply dipping sulfide mineralization are tabulated below. (globenewswire.com)
- This drilling covers over 1,500 feet (457 meters) of strike length along the west-northwest striking, steeply northerly dipping mineralized zone which contains cobalt and copper mineralization in sulfides. (globenewswire.com)
- Plans are to confirm the historical estimates of cobalt mineralization (see Company news release - September 7, 2016). (globenewswire.com)
Silver and cobalt3
- Respective silver and cobalt recoveries of 99 and 97 pct were obtained. (cdc.gov)
- The objective of this recovery trial was to develop 'proof of concept' benchtop experiments that used biological and chemical separation techniques to extract gold, silver and cobalt from collected PCBs. (slideshare.net)
- Biological separation Three types of microbe were utilised (acidophiles, fungus and cyanogenic) to determine whether they would selectively extract gold, silver and cobalt from ground PCBs. (slideshare.net)
Copper and cobalt2
- Vancouver, October 18, 2019 - Sienna Resources (TSXV: SIE) (FSE: A1XCQ0) (OTC Pink: SNNAF) is pleased to announce the completion of its drill program on its flagship nickel, copper and cobalt Slättberg Project in Sweden. (goldseiten.de)
- katanga mining to suspend copper and cobalt processing. (bg-22-24.nl)
- Hydrogen sulfide (H2S) inhibits the last step of the denitrification process, i.e. the reduction of nitrous oxide (N2O) to dinitrogen gas (N-2), both in natural environments (marine sediments) and industrial processes (activated sludge, methanogenic sludge, BioDeNOx process). (wur.nl)
- In a previously published study, we showed that the inhibitory effect of sulfide to N2O reduction in mixed microbial communities is reversible and can be counteracted by dosing trace amounts of copper. (wur.nl)