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Member Since 9 Years
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GST No. 27AACCA9261A1ZZAsk for more detail from the seller
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Sodium Thiosulphateis an inorganic compound with the formula Na2S2O3.xH2O. Typically it is available as the white or colourless pentahydrate, Na2S2O3•5H2O. The solid is an efflorescent (loses water readily) crystalline substance that dissolves well in water. It is also called sodium hyposulfite or "hypo".
| Sr. No | Parameters | Unit | Specified value |
|---|---|---|---|
| 1 | Appearance | Visual observation | A colourless crystals, sugar crystals or pea crystals |
| 2 | Solubility (10% solution in water) | % w/v | Clear & colourless solution |
| 3 | PH (5% solution) | % w/v | 6.0 – 8.0 |
| 4 | Assay | % w/w | Min. 99.0% |
| 5 | Chloride (as Cl) | % w/w | Max. 0.05% |
| 6 | Iron (as Fe) | % w/w | Max. 0.001% |
| 7 | Arsenic | % w/w | Max. 0.0005% |
| 8 | Heavy Metals (as Pb) | % w/w | Max. 0.0005% |
| 9 | Loss on drying(at 45°C under vacuum) | % w/w | 32.0 – 37.0 % |
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