CAS No.: | 7681-57-4 |
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Formula: | Na2s2o5 |
EINECS: | 231-673-0 |
Certification: | CIQ, ISO |
Purity: | 97% |
Type: | Sodium Metabisulfite |
Customization: |
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Specification: Sodium Metabisulfite
Tests |
Specification |
Appearance |
White free-flowing Crystal Powder |
Purity (Na2S2O5) |
97% min |
Iron (Fe) |
0.003% min |
Heavy Metal (Pb) |
5 ppm max |
Arsenic (As) |
1 ppm max |
Water Insoluble |
0.05% max |
PH Value |
4.0-4.6 |
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