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Application:
1. as reducing agent or mordant agent in making sulphur dyes.
2. as flotation agent in non-ferrous metallurgical industry.
3. In tanner industry.
4. Used as mordant agent for cotton dying.
5. In pharmacy industry making some phenacetin.
6.In electroplate industry, for hydriding galvanize.
Specification:
THIS INSPECTION IS BASED ON GB/T 10500-2000
Sodium Sulphide 1 | |||||
Specification: | |||||
Fe | 5ppm max | 10ppm max | 15ppm max | 20ppm max | 30ppm max |
Na2S | 60%min | 60%min | 60%min | 60%min | 60%min |
Water insolubles | 0.03%max | 0.03%max | 0.05%max | 0.10%max | 0.18%max |
Na2CO3 | 1.80%max | 1.80%max | 1.80%max | 1.80%max | 1.80%max |
Na2SO3 | 1.00%max | 1.00%max | 1.80%max | 1.80%max | 1.80%max |
Na2S2O3 | 2.00%max | 2.00%max | 2.00%max | 2.00%max | 2.00%max |
Color | Yellow | ||||
Sodium Sulphide 2 | |||||
Specification | |||||
Fe | 50ppm max | 60ppm max | 80ppm max | 150ppm max | 1500ppm max |
Na2S | 60%min | 60%min | 60%min | 60%min | 60%min |
Water insolubles | 0.18%max | 0.18%max | 0.20%max | 0.30%max | 0.40%max |
Na2CO3 | 1.80%max | 1.80%max | 2.00%max | 3.00%max | 5.00%max |
Na2SO3 | 2.00%max | 2.00%max | 2.00%max | 2.00%max | 2.00%max |
Na2S2O3 | 2.00%max | 2.00%max | 2.00%max | 2.00%max | 2.00%max |
Color | Yellow / Red | ||||
Sodium Sulfide