Sodium Thio Sulphate
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Description
Our range of Sodium Thio Sulphate is widely used in Iodometric applications, photographic processing, gold extraction and as a component in hand warmers. Commonly called as thiosulphate, this chemical is a colorless crystalline compound in appearance and is more familiar as the pentahydrate, Na2S2O3•5H2O, an efflorescent, monoclinic crystalline substance also called sodium hyposulfite or "hypo."
Uses:
To remove chlorine from solns according to the eq Na2S2O3 4Cl2 5H2O 2NaHSO4 8 HCL and Na2S2O3 2 HCL.
As "antichlor" in bleaching of paper pulp, as fixer in photography. For extraction of silver from ores as mordant in dyeing and printing textiles: reducer in chrome dyeing manufacture leather bleaching bone, straw, ivory also as reagent in analytical chemistry.
| Grade |
Pentahydrate |
Anhydrous |
| Mol. Wt |
||
| Appearance |
White pallets |
White Fine Powder |
| Assay |
98 Min. |
98% Min. |
| pH of 5% |
6 to 8 |
6 to 8 |
| Chloride |
0.05 % Max. |
0.5% |
| Iron |
0.05 % Max. |
0.5% |
| Lead |
5 PPM |
5 PPM |
| Arsenic |
5 PPM |
5 PPM |
Uses:
To remove chlorine from solns according to the eq Na2S2O3 4Cl2 5H2O 2NaHSO4 8 HCL and Na2S2O3 2 HCL.
As "antichlor" in bleaching of paper pulp, as fixer in photography. For extraction of silver from ores as mordant in dyeing and printing textiles: reducer in chrome dyeing manufacture leather bleaching bone, straw, ivory also as reagent in analytical chemistry.
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Sodium Thio Sulphate
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