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*  Silicic Acid at Thomas Scientific
Silicic acid precipitated extra pure light DAB, Silicic acid hydrate, Fluka Silicic acid 99.9%, 20 µm, purified by refining,.. ... Kieselguhr adsorbents for column chromatography Features Naturally occurring amorphous silicic acids of fossil origin, also ... containing ,1 ml of ethanolic solution of fatty acid at a concentration of 500 µg/ml. Peroxides were removed by silicic acid ... Synonym(s): 2-Ethylhexanoic acid tetraanhydride with silicic acid Formula: C32H60O8Si Formula weight: 600.91 CAS Number: 67939- ...
  https://www.thomassci.com/scientific-supplies/Silicic-Acid
*  Silicic acid - Wikipedia
Generally silicic acids degrade to silicon dioxide and water. Like other silanols, silicic acids are a weak acid. The conjugate ... Hypothetical structures of some small silicic acids orthosilicic acid pyrosilicic acid Metasilicic acid, note that such Si=O ... Silicic acid was invoked by Jöns Jacob Berzelius in the early 19th century. Silicic acid is thought to be produced by a non- ... biological process called hydration: QuartzSiO 2 + WaterH 2O → Silicic acidH 2SiO 3. Since no inorganic silicic acid has been ...
  https://en.wikipedia.org/wiki/Silicic_acid
*  67939-81-5 - Silicon(IV) 2-ethylhexanoate, nominally 75% in ethanol - 2-Ethylhexanoic acid tetraanhydride with silicic acid -...
Precautionary Statements: P210-P201-P280-P303+P361+P353-P405-P501a Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Obtain special instructions before use. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations. ...
  https://www.alfa.com/en/catalog/044635/
*  Organic and Natural Tooth Care | Natural Grocery Store
Silicic acid ensures thorough removal of plaque. 75ml. Item Details. Regular brushing of the teeth with the help of xylitol, an ... Most damage happens during the day when sugars feed bacteria that form plaque and produce acids. This gum is useful for ... Lavera Neutral Tooth Gel Sea Salt & Silicic Acid Organic. £5.89 New tooth gel from Lavera, suitable for sensitive teeth & gums ... Lavera Basis Sensitive Organic Kids Tooth Gel together with regular brushing, natural silicic acid cleaning particles remove ...
  https://www.naturalgrocery.co.uk/Personal-care/personal-care-toothcare
*  Alphabetical Browse | Britannica.com
silicic acid (chemical compound). a compound of silicon, oxygen, and hydrogen, regarded as the parent substance from which is ... and perchloric acids. The general approach to improving the chemical durability of glass is to make the surface as silica-rich ... Siliceous spicules, found in the Demospongiae and in the Hexactinellida, are made essentially of silicic acid; they also ... The acid itself, having the formula Si(OH)4, can be prepared only as an unstable solution in water; its molecules readily ...
  https://www.britannica.com/browse/alpha/s/143
*  Patent US4820439 - Washing and cleaning agent containing surfactants, builder, and crystalline ... - Google Patents
Silicic acid ester mixtures. US7145001. Oct 18, 2000. Dec 5, 2006. Cognis Deutschland Gmbh & Co. Kg. Method for producing solid ... The crystalline layered sodium silicates can also be prepared by ion exchange from corresponding crystalline free silicic acids ... employed according to the invention is that they can be converted into the corresponding free silicic acids with mineral acids ... Process for making a detergent composition containing a sulfonic acid/carboxylic acid copolymer and a hydrophobic silica. ...
  http://www.google.com/patents/US4820439?dq=mezick
*  Frontiers | Understanding Diatom Cell Wall Silicification-Moving Forward | Marine Science
Silicic acid transport mechanisms within the cell are unknown. Given the diffusibility of silicic acid, a transporter protein ... The amino acid composition of known proteins involved in silicification is shown in Figure 10. The most abundant amino acids (5 ... the lack of high enough silicic acid concentrations might be a factor, but because silicic acid freely diffuses across ... Diatom mineralization of silicic acid. IV. The effect of microtubule inhibitors on silicic acid metabolism in Navicula ...
  https://www.frontiersin.org/articles/10.3389/fmars.2018.00125/full
*  Patent US2680696 - Method of esterifying the surface of a silica substrate having a reactive ... - Google Patents
Organic modified silicic acid heteropolycondensates. WO1998037016A1 *. Feb 18, 1998. Aug 27, 1998. Dow Corning Corporation. ... In general, it is necessary to avoid the presence of large amounts of either strong acids or strong alkalis. It has been found ... sulfuric acid 7 a 12 (95.5% H2504) and ous stirring. The solution was filtered immediately and permitted to remain overnight to ... In the case of the metal silicates, this may be achieved by activation with acid or by coating with a layer of amorphous silica ...
  http://www.google.com/patents/US2680696
*  Chemical Reactions in Organic and Inorganic Constrained Systems, NATO SCIENCE SERIES SERIES C: MATHEMATICAL AND PHYSICAL...
Crystalline Silicic Acids.- The Behaviour of Some Alkali Metal Graphite Compounds Towards Sundry Reagents.- Mechanism of the ... Acid-Catalyzed Reactions for the Characterization of the Porous Structure of Zeolites.- Pillared Clays: Synthesis and ... Zeolite-Induced Selectivity in the Conversion of the Lower Aliphatic Carboxylic Acids.- Selectivity Induced by the Void ...
  https://www.booktopia.com.au/chemical-reactions-in-organic-and-inorganic-constrained-systems-r-setton/prod9789027721754.html
*  Monohydric Alcohols Their Ethers and Esters Sulphur Analogues Nitrogen Derivatives Organometallic Compounds - 2nd Edition
4. Esters of Mineral or Inorganic Acids. a. Esters of Boric Acid, Trialkyl Orthoborates. b. Esters of Silicic Acid, Tetra- ... IC Acyclic Aldehydes, Ketones and Monocarboxylic Acids; Carbon Monoxide, Isocyanides and Fulminic Acid; Carbonic Acid and Its ... c. Esters of Nitrous Acid, Alkyl Nitrites. d. Esters of Nitric Acid. e. Esters of Phosphorous Acid, Alkyl Phosphites and ... 9. Alkanesulphinic Acids. 10. Sulphones. 11. Alkanesulphonic Acids and Derivatives. 12. Alkanethiosulphonic Acids. Chapter 6. ...
  https://www.elsevier.com/books/monohydric-alcohols-their-ethers-and-esters-sulphur-analogues-nitrogen-derivatives-organometallic-compounds/coffey/978-1-4831-9631-2
*  Pedosphere - Wikipedia
In the soil profile, the organic acids are often concentrated at the top while carbonic acid plays a larger role towards the ... Rocks high in silica produce silicic acid as a weathering product. There are few rock types that lead to localized enrichment ... Acids released from plant roots include acetic and citric acids. During the decay of organic matter Phenolic acids are released ... aided by acidic products of pioneering plants and organisms as well as carbonic acid inputs from the atmosphere. Carbonic acid ...
  https://en.wikipedia.org/wiki/Pedosphere
*  VRLA battery - Wikipedia
The Absorption of Sulfur Dioxide by the Gel of Silicic Acid. Eschenbach Print. Company, 1920. Patents U.S. Patent 417,392 ... These mats are wrung out 2-5% after being soaked in acids, prior to manufacture completion and sealing. The plates in an AGM ... A valve-regulated lead-acid battery (VRLA battery) sometimes called sealed lead-acid (SLA), gel cell, or maintenance free ... VRLA Gel and AGM batteries offer several advantages compared with VRLA flooded lead acid and conventional standard lead-acid ...
  https://en.wikipedia.org/wiki/VRLA_battery
*  Silane - Wikipedia
In addition, contact with eyes may form silicic acid with resultant irritation. In regards to occupational exposure of silane ... In all cases, these substances react with Brønsted-Lowry acids to produce some type of hydride of silicon that is dependent on ... or a silicic acid. Hence, MIISi with their zigzag chains of Si2 − anions (containing two lone pairs of electrons on each Si ... then pouring the mixture into hydrochloric acid. The magnesium silicide reacts with the acid to produce silane gas, which burns ...
  https://en.wikipedia.org/wiki/Silane
*  Inorganic anhydride - Wikipedia
Other inorganic acids have anhydrides which are oxides. Examples include: silicon dioxide is the anhydride of silicic acid: Si( ... since loss of water from an acid is not an acid-base reaction. Although it is difficult to classify these oxides as acids, the ... This reaction is important in the manufacture of the acid. chromium trioxide is the anhydride of chromic acid: H2CrO4 -> H2O + ... vanadium pentoxide is the anhydride of vanadic acid: 2H3VO4 -> 3H2O + V2O5. sulfur trioxide is the anhydride of sulfuric acid: ...
  https://en.wikipedia.org/wiki/Inorganic_anhydride
*  Diatom - Wikipedia
The biogenic silica composing the cell wall is synthesised intracellularly by the polymerisation of silicic acid monomers. This ... Nucleic Acids Research. 37 (Database issue): D1001-5. doi:10.1093/nar/gkn905. PMC 2686495 . PMID 19029140. Armbrust, E. V.; ... Nucleic Acids Research. 33 (Database issue): D344-7. doi:10.1093/nar/gki121. PMC 540075 . PMID 15608213. Montsant, A.; Jabbari ...
  https://en.wikipedia.org/wiki/Diatom
*  Iron fertilization - Wikipedia
This bloom did not contain diatoms because the site was depleted in silicic acid, an essential nutrient for diatom growth. In ... 1994). "Iron photochemistry of aqueous suspensions of ambient aerosol with added organic acids". Geochimica et Cosmochimica ... The experiment was carried out in waters low in silicic acid which was likely to affect sequestration efficacy. A 900 square ... began producing toxic levels of domoic acid. Even short-lived blooms containing such toxins could have detrimental effects on ...
  https://en.wikipedia.org/wiki/Iron_fertilization
*  Primary production - Wikipedia
Inorganic nutrients, such as nitrate, phosphate and silicic acid are necessary for phytoplankton to synthesise their cells and ... and nucleic acids, or be respired to perform work. Consumption of primary producers by heterotrophic organisms, such as animals ... Certain plants use alternative forms of photosynthesis, called Crassulacean acid metabolism (CAM) and C4. These employ ...
  https://en.wikipedia.org/wiki/Primary_production
*  IUPAC nomenclature of inorganic chemistry 2005 - Wikipedia
Examples are: Si(OH)4 tetrahydroxidosilicon (additive), or silanetetrol (substitutive) (note silicic acid is an acceptable name ... Many anions have names derived from inorganic acids and these are dealt with later. The presence of unpaired electrons can be ... The recommendations give a full list of acceptable names for common acids and related anions. A selection from this list is ... naming of cluster compounds allowed names for inorganic acids and derivatives naming of solid phases e.g. non-stoichiometric ...
  https://en.wikipedia.org/wiki/IUPAC_nomenclature_of_inorganic_chemistry_2005
*  Silanes - Wikipedia
... or a silicic acid. Hence, MSi with their zigzag chains of Si anions (containing two lone pairs of electrons on each Si anion ... For example, the use magnesium silicide as a base gives the conjugate acids, mixed silanes as a side-product. In general, the ... Iodosilane Tribromosilane Silicic acid Tetraiodosilane Tetrabromosilane Tetrafluorosilane Mixed halosilanes: ... However, in all cases these substances react with Brønsted-Lowry acids to produce some type of hydride of silicon that is ...
  https://en.wikipedia.org/wiki/Silanes
*  Hydroxide - Wikipedia
Other silicic acids such as metasilicic acid (H2SiO3), disilicic acid (H2Si2O5), and pyrosilicic acid (H6Si2O7) have been ... Chromic acid H2CrO4, has similarities with sulfuric acid H2SO4; for example, both form acid salts A+[HMO4]−. Some metals, e.g. ... Silicic acid is the name given to a variety of compounds with a generic formula [SiOx(OH)4−2x]n. Orthosilicic acid has been ... per-iodic acid (compare iodic acid, perchloric acid), and it is thus pronounced per-iodic /ˌpɜːr.aɪˈɒdɪk/ PURR-eye-OD-ik, and ...
  https://en.wikipedia.org/wiki/Hydroxide