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Appearance: White or yellow crystalline powder or small crystals
Package: 25kg pp bag or 1000kg jumbo bag
Specification :
| Specification |
|
| Main content(Na2S2O5 %)% |
≥97 |
| Fe% |
≤0.003 |
| Water insoluble matter % |
≤0.05 |
| heavy metal % |
≤0.0005 |
| ARSENIC % |
≤0.0001 |
| PH(5% water soluble) |
4.72 |
Uasge: Used in organic synthesis, printing and dyeing, printing, leather, pharmaceutical and other departments;
Used as preservative in food processing, bleach, bulking agent.
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