CAS No.: | 7757-83-7 |
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Formula: | Na2so3 |
EINECS: | 231-821-4 |
Certification: | ISO |
Purity: | 90%~99% |
Type: | Sodium Sulfate |
Samples: |
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Customization: |
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Item | A | B |
NaSO3 % | 96 min | 97 min |
Fe% | 0.005 max | 0.003 max |
Water insoluble material %96 | 0.03 max | 0.02 max |
Free alkali (by sodium carbonate)% | 0.4 max | 0.1 max |
NaSO4 % | -- | 2.5 max |
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