
| Sodium sulphite anhydrous extrapure 5KG | |||
| 11690SR500 | 950550211BZ | ||
| Extrapure | 9505502 | ||
| 7757-83-7 | 113482 | ||
| Na2SO3 | February 2026 | ||
| 126.04 | January 2031 | ||
| Sr.No. | Test | Result | Specification | Method Reference |
|---|---|---|---|---|
| 1 | Description | A white crystalline powder. | A white crystalline powder. | |
| 2 | Solubility | Complies | 10% solution in water should be clear. | |
| 3 | Assay(iodometric) | 96.63% | Min. 96.00% | |
| 4 | Chloride(Cl) | Less than 0.05% | 0.05% max | |
| 5 | Thiosulphate(S2O3) | Less than 0.05% | 0.05% max | |
| 6 | Iron(Fe) | Less than 0.004% | 0.004% max | |
| 7 | Lead(Pb) | Less than 0.002% | 0.002% max |
| Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |