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产品详细信息
| Item | Chinese standard | Company standard |
| GB1894-2005 | ||
| sodium sulfite (Na2SO3), mass fraction /% | ≥96.0 | ≥97.0 |
| Fe, mass fraction /% | ≤0.01 | ≤0.001 |
| Free alkali(As content Na2CO3), mass fraction /% | ≤0.60 | ≤0.4 |
| Heavy metal content(Pb), mass fraction /% | ≤0.001 | ≤0.0005 |
| As content (As content), mass fraction /% | ≤0.0002 | ≤0.0002 |
| Clarity | Passed | Passed |
Molecular Formula: Na2SO3
Molecular Weight: 126.04
Appearance: white crystalline powder
Packing: polypropylene weaving bag lined with polyethylene plastic bag, paper plastic compound bag, etc.
Net wt.: 25/50/1000kg/bag or upon clients' request
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