... 3.Used in fixers,plating,leather,reductant,dechlorinating agent Sodium Thiosulfate♥Description Appearance: monoclinic crystalPacking: 25kg/ plastic bagQuantity: 1 x FCL ... (20’GP) = 25MT without pallets♥Application It is used in fixers, plating, leather, reductant, dechlorinating agent, sulfur dyeing ... .001% maxFe:0.002% maxPH6.5-7.5 99% Sodium thiosulfate