Silicotungstic acid hydrate /Tungstosilicic acid hydrate

English Name: silicotungstic acid hydrate; Tungstosilicic acid hydrate

Other names: tungstosilicic acid; Silicotungstic acid hydrate

CAS No.: 12027-43-9 H4 [Si (w3o10) 4] · xH2O = 2878.17 (anhydrous basis)

Grade: AR

Tungstate: acceptable

Heavy metal: ≤ 0.002%

Loss on Ignition: ≤ 17.0%

Chloride: ≤ 0.001%

Sulfate: ≤ 0.005%

Nitrate: ≤ 0.01%

Water insoluble matter: ≤ 0.01%

Silica: 1.80 ～ 2.35%

Clarity test: ≤ 4

Physicochemical properties (the following information is for reference only): white or light yellow crystal. Deliquescent. Soluble in water, ethanol and ether. When heated, it is dissolved in its crystal water. Irritating

Usage: This product is only for scientific research, not for other purposes. (the following uses are for reference only) precipitation and determination of alkaloids.

Saving: RT