Sodium Thiosulfate

Property:Single crystal is white crytallized powder, 1.667 proportion, soluble in water, alcohol, in air heating is decomposed into sodium and sulfur dioxide oxidation. In the air (oxygen from the burning LiuHuaJian, produce and sulfur Application: Mainly used for fixing agent photography industry. Secondly as tanning time chromate salt reductants and nitrogen exhaust of neutralizers, salt, wheat and hair bleach and pulp bleaching agent of chlorine when. Also used for tetraethyl lead, dye intermediates, etc and ore mention silver etc. Specification: Item Photo grade Tech grade Anhydrous grade Appearance Colorlesstransparent crystal Colorlesstransparent crystal White power Assy ≥99.00% ≥98.5% ≥98.0% Waterinsoluble ≤0.01% ≤0.03% ≤0.03% Sulfide ≤0.001% ≤0.003% ≤0.003% Fe ≤0.001% ≤0.003% ≤0.003% PH value 6.5-9.5 6.5-9.5 6.5-9.5