| Specifications | | | Chemical Formula | Na2S2O5 | | Molecular Weight | 190.10 | | Assay | (Na2S2O5) 96 % Min | | Assay | (SO2) 64 % Min | | Solubility (10 % Aquous Soln) | Clear & colourless solution | | PH Value of 5% Solution | 3.5 to 4.5 | | Description | White crystalline powder, free from extraneous Matter with a faint odour of sulphur dioxide gas. |
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