... 4.plating 1.Sodium thiosulphate 99%Min for bleaching agent 2.Synonym: Ametox, Antichlor; Sodium Hyposulfite, pentahydrate ... dechlorinating agent, sulfur dyeing agent, as a blush preventive agent, and as a disinfectant. and decolor agent.Photographic industry be fixed agent ... silver etc. Industrial/electroplating industry of the reducing agent/water purification the sparsity of engineering In the ...