Sodium Thiosulphate

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（200g／L solution）

6.5～9.5