White Crystalline Powder Sodium Tungstate Dihydrate Cas 10213-10-2
Colorless crystal or white rhombic crystal. Soluble in water, slightly alkaline. Insoluble in ethanol, slightly soluble in ammonia. It is used for the manufacture of metal tungsten, tungstic acid and tungstate salts. Used as mordant, pigment and catalyst. It can also be used as fabric fireproof agent and analytical chemical reagent.
|
ITEM
|
STANDARD
|
RESULT
|
|
As |
≤0.002% |
0.001% |
|
Fe |
≤0.002% |
0.002% |
|
Pb |
≤0.002% |
0.001% |
|
pH |
8-9 |
8.4 |
|
Water Insoluble Matter |
≤0.02% |
<0.02% |
|
Purity |
≥98% |
98.26% |
1.It is used for the manufacture of metal tungsten, tungstic acid and tungstate salts. Used as mordant, pigment and catalyst. It can also be used as fabric fireproof agent and analytical chemical reagent.
2.This product is used as fabric auxiliary agent, and the mixture composed of sodium tungstate, ammonium sulfate and ammonium phosphate is used for fire prevention and waterproof of fiber. This fiber can be made into fireproof rayon and rayon. It can also be used for fabric weighting, leather tanning, electroplating coating corrosion prevention. This product can be used as a cosolvent to reduce the firing temperature and complement the color.
25kg DRUM or requirement of clients. Keep it away from light at a temperature below 25℃.
Sodium Tungstate Dihydrate Cas 10213-10-2
