In chemistry, a silicic acid (/sɪˈlɪsɪk/) is any chemical compound containing the element silicon attached to oxide (=O) and hydroxyl (−OH) groups, with...

precursor to other silicic acids [H2xSiOx+2]n. Silicic acids play important roles in biomineralization and technology. It is the parent acid of the orthosilicate...

methanol causes blindness via conversion to formaldehyde, then to toxic formic acid in the liver; methanol splashes to the eye cause only moderate and reversible...

and sodium are strong bases. Acidic components such as carbon dioxide, phosphoric acid, silicic acid, and sulfuric acid are rarely present and, in the...

Silicon dioxide is the anhydride of silicic acid: H4SiO4 → 2 H2O + SiO2 Phosphorus(III) oxide reacts to form phosphorous acid in water: P4O6 + 6 H2O → 4 H3PO3...

as inosilicates. Orthosilicic acid M. F. Bechtold (1955): "Polymerization and Properties of Dilute Aqueous Silicic Acid from Cation Exchange" Journal...

that "silicic acid" (H4SiO4 or Si(OH)4) was the chief form of silicon occurring in siliceous rocks. Although this intuition makes sense from an acid-base...

colorless liquid. It degrades in water. TEOS is the ethyl ester of orthosilicic acid, Si(OH)4. It is the most prevalent alkoxide of silicon. TEOS is a tetrahedral...

Pyrosilicic acid is the chemical compound with formula H6Si2O7 or (HO)3SiOSi(OH)3. It is one of the silicic acids and has pyrosilicate as its conjugate...

to carbonates by weathering and sedimentation. The production of sulfuric acid from anhydrous calcium sulfate produces calcium silicates. Upon being mixed...

#7308501 John McGavack. The Absorption of Sulfur Dioxide by the Gel of Silicic Acid. Eschenbach Print. Company, 1920. U.S. patent 417,392 – Treatment Of...

ultramafic). The term "silicic", widely used in South America, has wider meaning, however, is often used as broadly synonymous with "acidic". Terms describing...

determined by X-ray diffraction. Pentaerythritol, C(CH2OH)4 Silicic acid, Si(OH)4 Carbonic acid, H2CO3 "Methanetetrol - PubChem Public Chemical Database"...

additional alkalinity in solution. In the calcium silicate aggregates, as silicic acid species are adsorbed onto the metal hydroxide surface, the development...

An oxyacid, oxoacid, or ternary acid is an acid that contains oxygen. Specifically, it is a compound that contains hydrogen, oxygen, and at least one...

mafic, but also can have significant ultramafic and silicic components, and some are dominated by silicic magmatism." This definition places emphasis on the...

although some simple silicic acids have been identified in dilute solutions, such as orthosilicic acid Si(OH) 4 and metasilicic acid SiO(OH) 2, none of...

atmospheric carbon dioxide. It results in the generation of silicic acid in aqueous environments. Silicic acid, Si(OH)4, is a hydrated form of silica found only...

with silver ions, which were then exposed to various acids (silicic acid) to elute fatty acids of different characteristics. Detection limits as low...

linings and reinforcing the material. They can also be used to produce silicic acid fibres by a dry spinning method. These fibres have properties which make...

Diatoms and radiolarians have evolved to uptake silica in the form of silicic acid, Si(OH)4. Once an organism has sequestered Si(OH)4 molecules in its cytoplasm...

water in the formula. When dissolved in water, it is usually known as silicic acid. It is found in nature as opal (which has been mined as a gemstone for...

silicic acid: Mg2SiO4 + 4 H2O ⇌ 2 Mg(OH)2 + H4SiO4 forsterite + water ⇌ brucite + silicic acid Most hydrolysis during weathering of minerals is acid hydrolysis...

Krešimir (2013). "Biological and therapeutic effects of ortho-silicic acid and some ortho-silicic acid-releasing compounds: New perspectives for therapy". Nutrition...

reflecting more directly the source of the magmas in the mantle. In Paraná, the silicic rocks are divided into two compositional groups, the Palmas volcanics and...

neutral and alkaline solutions. In acidic solutions, the silicate ions react with hydrogen ions to form silicic acids, which tend to decompose into hydrated...

F. Bechtold (1955): "Polymerization and Properties of Dilute Aqueous Silicic Acid from Cation Exchange" Journal of Physical Chemistry, volume 59, issue...

hydrated and oxidized, produce sulfuric acid which is much stronger than silicic acid. Many coal soils are too acidic to support vigorous plant growth, and...

in the homologous series SinH2n+2, a polymeric silicon hydride, or a silicic acid. Hence, MIISi with their zigzag chains of Si2− anions (containing two...

kaolinite as an example) has several aspects. In the first place the silicic acid to be supplied to the growing crystal must be in a monomeric form, i...