Sodium metabisulphite AR 500GM | |||
21630SG500 | 923730305CX | ||
AR | 9237303 | ||
7681-57-4 | 101045 | ||
Na2S2O5 | March 2024 | ||
190.1 | February 2027 | ||
Sr.No. | Test | Result | Specification |
---|---|---|---|
1 | Description | Fine white crystalline powder. | Fine white crystalline powder. |
2 | Solubility | Complies | Freely soluble in water. Slightly soluble in alcohol. |
3 | Assay | 97.87% | Min. 97.00 % |
4 | Insoluble matter | 0.003% | 0.005% max |
5 | Chloride(Cl) | Less than 0.02% | 0.02% max |
6 | Iron(Fe) | 0.0002% | 0.0005% max |
7 | Lead(Pb) | 0.0002% | 0.001% max |
8 | Arsenic (As) | Less than 0.00005% | 0.00005% max |
Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |