Sodium formaldehyde sulphoxylate dihydrate extrapure 500GM | |||
11600SG500 | C02190205LW | ||
Extrapure | C021902 | ||
6035-47-8 | 99555 | ||
CH3NaO3S.2H2O | December 2023 | ||
154.11 | November 2028 | ||
Sr.No. | Test | Result | Specification |
---|---|---|---|
1 | Description | White crystalline chips. | White crystalline powder or chips. |
2 | Solubility | Complies | 10% solution in water should be clear. |
3 | Assay(iodometric) | 96.82% | min. 95.00% |
4 | pH(1% aq soln) | 9.96 | ~10.0 |
5 | Alkalinity(as NaOH) | Less than 1.00% | 1.00% max |
6 | Iron(Fe) | Less than 0.003% | 0.003% max |
Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |