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| Customization: | Available |
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| CAS No.: | 7681-57-4 |
| Formula: | Na2s2o5 |
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ITEM | TEST RESULT |
Sodium Metabisulphite (Na2S2O5) % | 97.21 |
SO2 % ≥ | 65 |
Fe % ≤ | 0.002 |
Clarity | clear |
Insoluble matter in nitric acid% ≤ | 0.009 |
AS% | <0.00009 |
Phosphoric acid test ≤ | 4.2 |
Appearance | White to slightly yellowish crystialline powder |














