Sodium Tungstate Chemical Properties
Sodium Tungstate Chemical Properties
Colorless crystals or white crystalline powder.
Can be weathered in dry air.
Water solubility: 730 g/L (20 ℃)
Dispersion Properties: See solubility in water.
Solubility:
Easily soluble in cold water.
Insoluble in alcohol.
It is soluble in about 1.1 parts of water
Do not dissolve in alcohol. Soluble in water, generate W2O72- ion. The role of hydrogen sulfide and the oxygen ions easy to replace sulfur, sulfur oxide generation series of tungsten ions, generated after acidification three tungsten sulfide. Two white flash hydrate crystals. The relative density of 3.245. Soluble in water, soluble in alcohol, carbon disulfide.
Related Products:
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.