
| Sodium metabisulphite AR 500GM | |||
| 21630SG500 | 961150304DZ | ||
| AR | 9611503 | ||
| 7681-57-4 | 118685 | ||
| Na2S2O5 | April 2026 | ||
| 190.1 | March 2029 | ||
| Sr.No. | Test | Result | Specification | Method Reference |
|---|---|---|---|---|
| 1 | Description | Fine white crystalline powder. | Fine white crystalline powder. | |
| 2 | Solubility | Complies | Freely soluble in water. Slightly soluble in alcohol. | |
| 3 | Assay | 97.34% | Min. 97.00 % | |
| 4 | Insoluble matter | 0.002% | 0.005% max | |
| 5 | Chloride(Cl) | Less than 0.02% | 0.02% max | |
| 6 | Iron(Fe) | Less than 0.0005% | 0.0005% max | |
| 7 | Lead(Pb) | Less than 0.001% | 0.001% max | |
| 8 | Arsenic (As) | Less than 0.00005% | 0.00005% max |
| Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |