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Sodium Thiosulphate
Product Detailed
Related Categories:Sulphate
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Sodium thiosulfate
1, Chemical name: Sodium thiosulfate 2, Structural formula:
3, Molecular formula: Na2S2O2@5H2O 4, Molecular weight: 248.17 5, Properties: Monoclinic crystal, Melting point: 40-45degree, Relative density: 1.729(17degree). 6. Packing: 25kg, 50kg plastic woven bag, or following your demand g. 7. Uses: Used in fixers, plating, leather, reductant, dechlorinating agent, sulfur dyeing agent, as a blush preventive agent, and as a disinfectant. And decolor agent.
| Item | Photographic grade | Industrial grade | Anhydrous grade |
| Appearance | colorless transparent crystal | colorless transparent crystal | white powder |
| Assay | ≥ 99.00% | ≥ 98.5% | ≥ 97.0% |
| Water Insoluble matter | ≤ 0.01% | ≤ 0.03% | ≤ 0.03% |
| Sulfide | ≤ 0.001% | ≤ 0.003% | ≤ 0.001% |
| Fe | ≤ 0.001% | ≤ 0.003% | ≤ 0.005% |
| PH | 6.5~9.5 | 6.5~9.5 | 6.5~9.5 |
| Water solution reaction | in accordance with the test | in accordance with the test | ---- |
| Granularity(g/g) | 12~16 | --- | ---- |
Sodium Thiosulphate
