sodium sulfide

الوصف

Products name: Sodium Sulphide, Sodium Sulfide Molecular Formula: Na2S Specification: *0% CAS NO. ********2 *****: *******0 UN NO.: ***9 RED FLAKES Na2S: *0%min Na2CO3: 5.0%max Water insoluble: 0.*0%max Fe: 0.*5%max ***0ppm LOW IRON ( YELLOW FLAKES) Na2S: *0%min Water insoluble: 0.*0%max Na2CO3: 2.0%max Fe: 0.**5%max **0ppm Na2S: *0%min Water insoluble: 0.*0%max Na2CO3: 2.0%max Fe: 0.**8%/0.**5%max *0/*0ppm Na2S: *0%min Water insoluble: 0.*0%max Na2CO3: 2.0%max Fe: 0.**3%/0.**2%max *0/*0ppm Na2S: *0%min Water insoluble: 0.*3%max Na2CO3: 1.8%max Fe: 0.***5%/0.***0%max *5/*0ppm Na2S: *0%min Water insoluble: 0.*2%max Na2CO3: 1.7%max Fe: 0.***5%max 5ppm Character: Solid-fused or granular, brown red color, soluble in water, presenting strong alkaline solution, easily oxidized when exposed to air, poisonus. Used as making sulphur dyes or dyestuff intermediate reducer, mordant, flotation agent, depilatory for leather, digestion auxiliary in paper-making. also widely in pigment and rubber industry, etc.