Sodium Tungstate manufacturer CAS:13472-45-2
Sep 9th, 2022 at 23:22 Electronic Chemicals Alton 52 views Reference: GELe3lKxa69
Location: Alton
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Other name:
Sodium Tungstate
CAS No.:13472-45-2
Na2WO4.2H2O
Molecular Weight:329.87
Characters:Colorless crystal or white crystalline powder, will be weathered in dry air, soluble in water, insoluble in ethanol, aqueous solution us weakly basic.
Specifications:
| Sodium Tungstate | A.R. | C.P. | Technical grade |
| Item | Spec. | Spec. | Spec. |
| Assay % | ≥99.5 | ≥99.0 | ≥98.0 |
| Alkalinity test | Pass | Pass | PH8.5-9 |
| Clarity | Pass | Pass | -- |
| Chlorides(Cl) % | ≤0.005 | ≤0.007 | -- |
| Water insoluble% | ≤0.01 | ≤0.02 | ≤0.05 |
| Sulphates(SO4)% | ≤0.01 | ≤0.02 | -- |
| Nitrogen compound(N) % | ≤0.001 | ≤0.004 | -- |
| Mo% | ≤0.001 | ≤0.005 | ≤0.02 |
| Iron(Fe)% | ≤0.0005 | ≤0.001 | ≤0.001 |
| As | ≤0.0005 | ≤0.0005 | ≤0.001 |
| Si% | -- | -- | ≤0.04 |
| Cu% | -- | -- | ≤0.001 |
| Heav metal(as Pb) | ≤0.0005 | ≤0.002 | ≤0.002 |
Product Usage:As alkaloid precipitator and fireproofing agent for textiles, as fireproofing agent for textiles
Packaging:25kg cardboard drum, lined with double-layer plastic bag
Storage Precautions:Protect against fire, sunlight, damange or pollution
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