Definition of sodium tungstate:
a tungstate of sodium; esp : the normal salt Na2WO4•2H2O that commonly crystallizes with two molecules of water, is usu. obtained during the extraction of tungsten from its ores, and is used chiefly in making other tungsten compounds and in fireproofing textiles
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 is 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. It is also used in the dye and textile industry,intermediate in preparation of tungsten compounds, fire proofing fabrics & cellulose, alkaloid precipitant.
Used in the manufacture of tungsten, tungstic acid, tungstate, dyes, inks, catalysts.