Натрий сероводородный

Product name: Sodium Hydrosulfide Synonyms: Sodium Bisulfide, sodium hydrogen sulfide, sodium sulfhydrate Appearance: Yellow flakes Specification: Content: 72%min 70%min Sodium suphide 2%max 3%max Sodium Sulphite1%max 1.5%max Ferrum 0.003%max 0.003%max Sodium carbonate 0.6%max 1%max Moisture 0.005%max 0.005%max Packing:25kg plastic woven bag Useage:Used in the synthesis of organic intermediates and in the preparation of auxiliary agent of sulfur dyes, in the waste water treatment, it is the raw material to produce ammmonium sulphate and ethanethiol( semi-finished products), used in the copper ore beneficiation, also in the sulfurous acid dyeing of manmade fibres.