Sodium Thiosulfate
Chemical name: Sodium thiosulfate......
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1, Chemical name: Sodium thiosulfate
2, Structural formula:
3, Molecular formula: Na2S2O2· 5H2O
4, Molecular weight: 248.17
5, Properties: monoclinic crystal, Melting point : 40-45, Relative density : 1.729(17).
6, Quality standard:
Item | Photo grade | Tech grade | Anhydrous grade |
Appearance | colorless transparent crystal | colorless transparent crystal | white powder |
Assay | ≥ 99.00% | ≥ 98.5% | ≥ 98.0% |
Water Insoluble matter | ≤ 0.01% | ≤ 0.03% | ≤ 0.03% |
Sulfide | ≤ 0.001% | ≤ 0.003% | ≤ 0.001% |
Fe | ≤ 0.001% | ≤ 0.003% | ≤ 0.001% |
PH value | 6.5-9.5 | 6.5-9.5 | 6.5-9.5 |
Granularity | 12-16 | -- | -- |
Resource:
http://www.ecvv.com/ is an innovative and comprehensive business portal in China, dedicated to saving costs for Chinese SMEs to find buyers and export to overseas markets.
<a href="http://www.ecvv.com">www.ecvv.com</a> is an innovative and comprehensive business portal in China, dedicated to saving costs for Chinese SMEs to find buyers and export to overseas markets.
http://www.ecvv.com/ is an innovative and comprehensive business portal in China, dedicated to saving costs for Chinese SMEs to find buyers and export to overseas markets.
<a href="http://www.ecvv.com">www.ecvv.com</a> is an innovative and comprehensive business portal in China, dedicated to saving costs for Chinese SMEs to find buyers and export to overseas markets.
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