CAS No.: | 7757-83-7 |
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Formula: | Na2so3 |
EINECS: | 231-821-4 |
Certification: | ISO |
Purity: | 90%~99% |
Application: | Dyeing, Leather Making, Food, etc. |
Samples: |
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Customization: |
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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. |
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