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        1. Sodium Sulphide

          Sodium Sulphide

          H.S.CODE: 28301010
          CAS NO.: 1313-82-2
          Molecular formula: Na2S
          Property: flakes, yellow or red color, soluble in water, presenting strong alkaline solution, easily oxidized when exposed to air.
          Use: used in sulfur dyes, used as reductant, mordant, floatation agent, depilatory for leather, digestion auxiliary in paper-making, and used in textile, pigment and rubber too. 
          Packing: in 25kgs plastic woven bag or in 150kgs iron drum .
          Specification:

          Commodity of Goods Sodium Sulphide
          Appearance Thin flakes or solid,yellow or red
          Packing In 25kgs plastic woven bag or in 150kgs iron drum
          Item Standard
          Spec 5PPM 10PPM 15PPM 20PPM 30PPM
          Na2S 60% min 60% min 60% min 60% min 60% min
          Na2CO3 2.0% max 2.0% max 2.0% max 2.0% max 2.0% max
          Water insoluble 0.2% max 0.2% max 0.2% max 0.2% max 0.2% max
          Fe 0.0005% max 0.001% max 0.0015% max 0.002% max 0.003% max

           

          Spec 50PPM 50PPM 80PPM 150PPM 150PPM
          Na2S 60% min 50% min 60% min 60% min 60% min
          Na2CO3 2.0% max 2.0% max 2.0% max 3.0% max 5.0% max
          Water insoluble 0.2% max 0.2% max 0.2% max 0.2% max 0.4% max
          Fe 0.005% max 0.005% max 0.008% max 0.015% max 0.15% max


           

              



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