Sodium Tungstate
Sodium tungstate is a tungstate of sodium, chemical formula is Na2WO4?2H2O which is prepared from tungsten ores used to manufacture tungsten by reducing. It is mainly used as production of tungsten oxides. It is also used as catalyst for epoxidation of alkenes and oxidation of alcohols into aldehydes or ketones.It is also used for treatment of diabetes in animal, in the dye and textile industry,intermediate in preparation of tungsten compounds, fire proofing fabrics & cellulose, alkaloid precipitant.
Specification of Sodium Tungstate
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0.6um yellow tungsten oxide is a kind of tungsten oxide, with a positive yellow powder appearance, stable properties at normal temperature and apparent density of 0.6-1.0g/cm3.
Ammonium metatungstate(AMT) is an important intermediate compounds of tungsten hydrometallurgical process, appearance is white crystalline powder, solubility in water is the largest in the tungsten compounds which over 300g WO3/100ml H2O (in 25℃).
Sodium tungstate, a tungstate of sodium, is useful as a source of tungsten. It is prepared from tungsten ores used to manufacture tungsten by reducing it.
Purple Tungsten oxide is divided into WO2.72 (or W18O49). It is a kind of tungsten oxide. It is abbreviated as VTO. It is a purple finely grained crystalline powder, and its color usually appears purple or blue purple.