Sodium Tungstate Product Specifications
Sodium Tungstate Product Specifications
First grade, purity≥ 99.5 % , second grade, purity≥98.5 %, impurities meet national standards or user requirements.
Product Specifications：
| Name | Na2WO4?2H2O（%） | Alkalinity/% | Moisture/% | Color |
| Norm | ≥97 | ≤0.5 | ≤15 | White |
ACS grade
Grade |
ACS, 99.0%-101.0% |
Purity |
99.0%-101.0% |
Insoluble matter |
≤0.01% |
Cl |
≤0.005% |
Heavy metals & Iron (as lead) |
≤0.001% |
Mo |
≤0.001% |
SO4 |
≤0.01% |
Titratable base |
≤0.02 meq |
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.