Sodium Sulphide
USD $455 - $520 /Metric Ton
Min.Order:20 Metric Tons
Humate (Tianjin) International Limited
Molecular Formula: Na2S
Property:
Thin flakes, yellow or red, soluble water, presenting strong alkaline solution, easily oxidized when exposed to air, poison.
Specification:
Fe | Na2S | Water insoluble | Na2CO3 | Na2SO3 | Na2S2O3 | color |
15ppm Max | 60%min. | 0.05%max | 1.80%max | 1.80%Max | 2.00%max. |
Yellow |
20ppm Max | 60%min. | 0.10%max | 1.80%max | 1.80%Max | 2.00%max. | |
30ppm Max | 60%min. | 0.18%max | 1.80%max | 1.80%max | 2.00%max. | |
50ppm Max | 60%min | 0.18%max | 1.80%max | 2.00%max | 2.00%max | |
80ppm Max | 60%min | 0.20%max | 2.00%max | 2.00%max | 2.00%max | |
150ppm Max | 60%min | 0.30%max | 3.00%max | 2.00%max | 2.00%max | |
1500ppm Max | 60%min | 0.40%max | 5.00%max | 2.00%max | 2.00%max | Red |
Uses: used as making sulphur dyestuff intermediate reducer, mordant, flotation agent, depilatory for leather, digestion auxiliary in paper-making also widely used in pigment and rubber industry, etc.
Packing:
in 25KG plastic woven bags