|
Indicator Description |
AR |
|
Na2WO4 · 2H2O % ≥ |
99.0 |
|
M% ≤ |
0.001 |
| As% ≤ |
0.001 |
| Cu% ≤ |
0.0005 |
|
Fe% ≤ |
0.001 |
|
Si% ≤ |
0.004 |
| PH |
8.5-9 |
| Water insoluble substances ≤ |
0.005 |
Sodium Tungstate Dihydrate
- Molecular formula：Na2WO4 · 2H2O
- Molecular weight：329.8477
- CAS No：10213-10-2
- Properties：White crystalline powder, soluble in water, insoluble in ethanol, slightly soluble in ammonia.
- Application：Intermediate products in the production of tungsten materials can also be used as mordants, catalyst pigments, and analytical reagents. Textile workers use them as fabric weighting agents, water treatment agents, to manufacture fire-resistant and waterproof materials, as well as phosphotungstates and borotungstates.
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