Assay (iodometric) Min 95 - 100.5 %
Heavy metal (as Pb) Max 0.001 %
Iron (Fe) Max 0.001 %
Copper (Cu) Max 0.0005 %
Selenium (Se) Max 0.001 %
Zinc (Zn) Max 0.0025 %
Arsenic (As) Max 0.0002 %
Thiosulphate (S2O3) Max 0.04 %
SO2 Min 48 %
Appearance White crystalline powder
| CAS No. | 7757-83-7 |
|---|---|
| Molecular Formula | Na2SO3 |
| Molecular Weight | 126.04 |
| HS Code | 2832.1000 |
| Packing | 1 KG |
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