| Personnalisation: | Disponible |
|---|---|
| N ° CAS.: | 10102-17-7 |
| Certification: | ISO |
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Sodium Thiosulphate Description
| Other Name | sodium subsulfate | |
| CAS NO. | 7772-98-7 | |
| EINECS NO. | 231-867-5 | |
| Molecular Fomula | Na2S2O2 .5H2O | |
| M.Wt. | 248.17 | |
| Appearance: | white crystal | |
| Specifications | ||
| Item | Standard | Result |
| Appearance | White crystal needle granular | conform |
| Purity | 99.0%min | 99.10% |
| Insoluble matter in water | 0.01% max | 0.01% |
| Sulfides(Na2S:) | 0.001% max | 0.001% |
| Insoluble substance in water | 0.02%Max | 0.003% |
| Iron(Fe) | 0.002% Max | 0.002% |
| PH value | 6.5 - 9.5 | 8.7 |
Sodium Thiosulphate Application
It is used in photographic ,electroplate and purifying soft water and tanning hides.It is also used as a reducing agent, fixers, blush preventive agent, deoxidizer, sulfur dyeing agent, anti-whiting agent, detergent, disinfectant and color faking agent.
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