Supply High Quality SMBS/Sodium Disulfite/sodium Pyrosulfite 97%min Industrial Grade/Food Grade
Sodium disulfite 97%
1- Sodium Metabisulfite INDUSTRIAL GRADE / FOOD GRADE
2- Another Name: Sodium Pyrosulfite
3- Molecular Formula: Na2S2O5
Sodium disulfite 97% Specifications
Sodium Metabisulfite; Na2S2O5; 7681-57-4
Popular sale in Africa; Australia; South and North America; South East Asia; Mid East.
| Item | 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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