Sodium Thiosulfate, Anhydrous

Sodium Thiosulfate, Anhydrous

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Description

Na2S2O3 Synonyms: Sodium hyposulfite; Hyporice; sodium subsulfite; HYPO; antichlor; Thiosulfuric acid, disodium salt; Thiosulfuric acid (H2S2O3), disodium salt; SODIUM THIOSULFATE ANHYDROUS Grade: Technical Uses: Photography; chrome tanning; extraction of silver from its ores; removing chlorine in bleaching and paper making; dechlorination of water; reagent; bleaching; reducing agent in chrome dyeing. Additional Description CAS # [7772-98-7]Na2O3S Specification: Acidity (H2SO4): 0.0 – 0.002 % Alkalinity (NaOH): 0.0 – 0.01 % Appearance of solution (20%): Clear and free from insoluble matter Except for a slight flocculence Sodium Thiosulfate (Na2S2O3): 98.3 – 100 % Heavy metals (as Pb): 0.0 – 0.001% Insoluble matter (Ca, Mg, NH4OH ppt): 0.0 – 0.4 % Iron (Fe): 0.0 – 0.002 % Sodium Sulfite (Na2SO3): 0.0 – 0.5 % Sulfide (as S): 0.0 – 0.0002 % 

Additional information

Weight 2 lbs

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