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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