Sodium thiosulphate
sodium thiosulphate
Sodium thiosulphate 99% is used in fixers, plating, leather, reductant, dechlorinating agent, sulfur dyeing agent.
1.Another name: Sodium thiosulfate
2. Molecular formula: Na2S2O3 .5H 2O
3. Molecular weight: 248.17
4.Properties :monoclinic crystal, Melting point : 40 -45oC , Relative density :1.729( 17 oC ).
5.Application:used in fixers, plating, leather, reductant, dechlorinating agent, sulfur dyeing agent, as a blush preventive agent, and as a disinfectant. and decolor agent
6.Packing:25kg , 50kg plastic woven bag, or following your demand.
7.Specification of Sodium Hyposulphite
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 | --- | ---- |
