
| Sodium thiosulphate pentahydrate extrapure 500GM | |||
| 11710SG500 | 965090206FZ | ||
| Extrapure | 9650902 | ||
| 10102-17-7 | 121073 | ||
| Na2S2O3.5H2O | June 2026 | ||
| 248.17 | May 2031 | ||
| Sr.No. | Test | Result | Specification | Method Reference |
|---|---|---|---|---|
| 1 | Description | Colourless crystals free from white powder. | Colourless crystals free from white powder. | |
| 2 | Solubility | Complies | 10% solution in water should be clear. | |
| 3 | Assay(iodometric) | 99.3% | Min. 99.0% | |
| 4 | Sulphate & sulphite (as SO4) | Less than 0.1% | 0.1% max | |
| 5 | Sulphide(S) | Less than 0.001% | 0.001 % max | |
| 6 | Iron(Fe) | Less than 0.001% | 0.001 % max | |
| 7 | Potassium(K) | Less than 0.1% | 0.1% max |
| Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |