释义 |
sil·i·co·tungstic 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 mixture of sodium tungstate and sodium silicate, and used chiefly as a precipitant for alkaloids — called also tungstosilicic acid |