Silicotungstic Acid
Other name: Tungstosilicic acid hydrate, Tungsten hydroxide oxide silicate
CAS no. : 11130-20-4; 12027-38-2; 12363-31-4; 12520-88-6
EINECS no. : 234-719-8
Molecular formula: H4SiW12O40·XH2O
Molecular weight: 2878.1733
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Specification:
Industrial grade,
WO3≥84%
SiO2 1.7-2.4%
Chemically pure (CP grade)
WO3≥84%
SiO2 1.8-2.3%
Water insoluble matter≤0.02%
Chloride (CI)﹤0.03%
Sulphate (SO4)≤0.02%
Nitrate (NO3)≤0.02%
Heavy metals (Pb)≤0.005%
White or light yellow deliquescent crystal, soluble in water and alcohol. Solubility in water: 0.1g /mL, which will be clear and transparent after dissolution. Is soluble in water of crystallization of heating, heating to 600 ~ 650 ℃
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