Specifications
| Characteristics | Specifications |
|---|---|
| Appearance | White Crystal |
| Assay as (Na2S2O5) | 95 % Min. |
| Assay as (SO2) | 62 % Min. |
| Solubility (10 % Aquous Soln) | V. S. Hazy to clear solution. |
| pH Value of 5% Solution | 3.5 to 5.5 |
| Iron Content(As Fe ) | 0.01% (Max.) |
| Insoluble Matter, | 0.05% Max. |