Sodium Pyrosulfite Price 7681-57-4
CAS No:7681-57-4
Appearance:White or light yellow crystalline powder




| Item | Indicators | Results |
| Assay (Zn), % min | 35 | 35.3 |
| Cd(as Cd) max | 10ppm | 4ppm |
| Arsenic(as As) max | 5ppm | 4ppm |
| Lead (as Pb) max | 10ppm | 6ppm |
| Screen Analysis(60mesh), % min | 95 | ≥95 |
| Conclusion: This product conforms to requirements of GB/T25865-2010. | ||
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CAS No:7681-57-4
Appearance:White or light yellow crystalline powder
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