Sodium sulphite anhydrous extrapure 5KG | |||
11690SR500 | 925100219CX | ||
Extrapure | 9251002 | ||
7757-83-7 | 101825 | ||
Na2SO3 | March 2024 | ||
126.04 | February 2029 | ||
Sr.No. | Test | Result | Specification |
---|---|---|---|
1 | Description | A white crystalline powder. | A white crystalline powder. |
2 | Solubility | Complies | 10% solution in water should be clear. |
3 | Assay(iodometric) | 99.11% | 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) |