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:*5kg/bag, *0kg/bag 4. Product
Standard:GB/T
*******6 5.
Specifications: Sodium thiosulphate: *8%
min. Water insolubles: 0.*3%
max. Sulfide ( by ): 0.**3%
max. Fe: 0.**3% max. PH value (**0g/L solution):
6.5～9.5
