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Features
Features of 99%min Sodium Thiosulfate:
1. Chemical name: Sodium thiosulfate
2. H.S code:28328000
3. Molecular formula: Na2S203*5H20
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
Application
Used in fixers. Dlating, leather. reductant. dechlorinating agent. sulfur dveing agent as a blush preventive agent. and as a disinfectant And decolor agent.
Specifications
| Item | Photographic grade | Industrial grade | Anhydrous grade |
| Appearance | colorless transparen crystal | colorless transparen 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 | - | - |
