Silicotungstic
Silicotungstic Sil`i*co*tung"stic, a. (Chem.) Of, pertaining to, or designating, any one of a series of double acids of silicon and tungsten, known in the free state, and also in their salts (called silicotungstates). [1913 Webster]

The Collaborative International Dictionary of English. 2000.

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  • silicotungstic — sil·i·co·tungstic …   English syllables

  • silicotungstic acid — noun The most commonly encountered heteropoly acid, widely used in heterogeneous catalysts. Syn: tungstosilicic acid …   Wiktionary

  • silicotungstic acid — “+... noun Etymology: silic + tungstic : any of several heteropoly acids of silicon and tungsten; especially : a pale yellow crystalline acid H4SiW12O40.xH2O containing 12 atoms of tungsten in the molecule, obtainable by acid hydrolysis of a… …   Useful english dictionary

  • Keggin structure — is the best known structural form for heteropoly acids. It is the structural form of α–Keggin anions, which have a general formula of [XM12O40] n , where X is the heteroatom (most commonly are P5+, Si4+, or B3+), M is the addenda atom (most… …   Wikipedia

  • Phosphotungstic acid — Chembox new Name = Phosphotungstic acid ImageFile = Phosphotungstate 3D polyhedra.png ImageName = Structure of the phosphotungstate anion OtherNames = PTA, TPA, tungstophosphoric acid Section1 = Chembox Identifiers CASNo = 12067 99 1 Section2 =… …   Wikipedia

  • Francium — radon ← francium → radium Cs ↑ Fr ↓ Uue …   Wikipedia

  • Jean Charles Galissard de Marignac — Infobox Scientist name = Jean Charles Galissard de Marignac box width = image width =150px caption = Jean Charles Galissard de Marignac birth date = April 24, 1817 birth place = Geneva death date = April 15, 1894 death place = residence =… …   Wikipedia

  • Tungstosilicic acid — Chembox new Name = Tungstosilicic acid ImageFile = Tungstosilicic acid.jpg ImageName = Tungstosilicic acid IUPACName = OtherNames = Silicotungstic acid Section1 = Chembox Identifiers CASNo = 12027 43 9 Section2 = Chembox Properties Formula = H4… …   Wikipedia

  • Marignac, Jean-Charles-Galinard de — ▪ French chemist born April 24, 1817, Geneva died April 15, 1894, Geneva       Swiss chemist whose work with atomic weights suggested the possibility of isotopes and the packing fraction of nuclei and whose study of the rare earth elements led to …   Universalium

  • tungstosilicic acid — noun silicotungstic acid …   Wiktionary

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