CAS No.: | 7681-57-4 |
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Formula: | Na2s2o5 |
EINECS: | 231-673-0 |
Certification: | ISO |
Purity: | 90%~99% |
Type: | Sodium Metabisulfite |
Samples: |
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Customization: |
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Item | Specification |
Appearance | White Powder |
Purity (as Na2S2O5) | 96.5% min. |
SO2 | 65.0% min. |
Iron (Fe) | 0.003% max. |
As | 0.0001% max. |
Water Insoluble | 0.05% max. |
Heavy Metals (as Pb) | 0.0005% max. |
pH (5% solution) | 4.0 - 4.8 |
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