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Anhydrous sodium sulfite
Sodium Sulfite, Anhydrous
Molecular formula: Na2SO3
Molecular weight: 126.04
Properties: white crystalline powder
| Puirty(Na2SO3), % | 97.0 |
| Clarity Test | Pass |
| Water insoluble substance % ≤ | 0.005 |
| Chloride(Cl) % ≤ | 0.005 |
| Acidity-sulfite(count by NaHSO3) | Pass |
| Free alkali(count by Na2SO3) % ≤ | 0.1 |
| S2O3 % ≤ | 0.01 |
| As % ≤ | 0.0001 |
| Fe % ≤ | 0.0005 |
| Heavy metal (count by Pb) % ≤ | 0.001 |
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