Натрий сульфидов

Products name: Sodium Sulphide, Sodium Sulfide Molecular Formula: Na2S Specification: 60% CAS NO. 1313-82-2 H.S.CODE: 28151100 UN NO.: 1849 HIGH IRON ( RED FLAKES ) Na2S: 60%min Na2CO3: 5.0%max Water insoluble: 0.40%max Fe: 0.15%max 1500ppm LOW IRON ( YELLOW FLAKES) Na2S: 60%min Water insoluble: 0.20%max Na2CO3: 2.0%max Fe: 0.015%max 150ppm Na2S: 60%min Water insoluble: 0.20%max Na2CO3: 2.0%max Fe: 0.008%/0.005%max 150/80/50ppm Na2S: 60%min Water insoluble: 0.20%max Na2CO3: 2.0%max Fe: 0.003%/0.002%max30/20ppm Na2S: 60%min Water insoluble: 0.03%max Na2CO3: 1.8%max Fe: 0.0015%/0.0010%max 15/10ppm 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.