Sodium Thiosulphate | ||
1. Properties:Sodium thiosulphate is also called hypo. It is white crystal, easily soluble in the water. 2. Usage:it is used as fixer in photography, as reducing agent in chemical industry, as declorination agent after bleaching of cotton fabrics, as declorination agent of paper pulp, as scouring agent, disinfector and decolorant in medical industry. It is also used in electroplating and leather-making industry. 3. Packing: 25kg/bag, 50kg/bag 4. Product Standard:GB/T 637-2006 5. Specifications: | ||
Products | Sodium Thiosulphate | |
Quality standard | Items | Standard Value |
Sodium thiosulphate | 98% min. | |
Water insolubles | 0.03% max. | |
Sulfide | 0.003% max. | |
Fe | 0.003% max. | |
Solution reaction | Passed the test | |
PH value( | 6.5~9.5 |