The Collaborative International Dictionary of English. 2000.
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
