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| CAS No.: | 7757-83-7 |
|---|---|
| Formula: | Na2so3 |
| EINECS: | 231-821-4 |
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Audited by an independent third-party inspection agency
| Item | I | II |
| Na2SO3% | 90 Min. | 92.0 Min. |
| Fe % | 0.02 Max. | 0.02 Max. |
| Water insoluble material % | 0.05 Max. | 0.05 Max. |
| Free alkali (by sodium carbonate) % |
0.8 Max. | 0.80 Max. |


