Sodium Thiosulfate

It is mainly used as fixing agent in photographic industry. Secondly, it is used as reductant of dichromate, neutralizer of nitrogen containing tail gas, mordant, bleaching agent of wheat stalk and wool, and dechlorination agent of pulp bleaching. It is also used in the manufacture of tetraethyl lead, dye intermediates and silver extraction from ores,watertreatment,aquaculture(fishing farm),Stainless steel made by steel factory.

Specification

Appearance

crystal granualr

NA2S2O3•5H2O

99%

Water Insoluble Matter

Max 0.03%

PH value

 6.5-9.1

NA2S

 Max 0.001%

Fe

 Max 0.002%