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| CAS No.: | 7681-57-4 |
|---|---|
| Formula: | Na2s2o5 |
| EINECS: | 231-673-0 |
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| Item | Specs |
| Main Content (as Na2S2O5) | 97% Min. |
| Sodium Metabisulfite (as SO2) | 65% Min. |
| Iron (Fe) | 0.003% Max. |
| Insoluble matter in water | 0.05% Max. |
| PH | 4.0-4.6 |
| Heavy metal (as Pb) | 0.0005% Max. |
| Arsenic (As) | 0.0001% Max. |
| Item | Specs |
| Main Content (as Na2S2O5) | 96.5% Min. |
| Sodium Metabisulfite (as SO2) | 65% Min. |
| Iron (Fe) | 0.005% Max. |
| Insoluble matter in water | 0.05% Max. |
| PH | 4.0-4.6 |





