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sodium sulphide (sodium sulfide) flakes main spec:
yellow flakes |
red flakes |
|||||
Na2S |
60%min. |
60%min. |
60%min. |
60%min. |
60%min. |
60%min. |
Fe |
10ppm |
20PPM |
30ppm |
80ppm |
150ppm |
300ppm |
0.10%max. |
0.15%max. |
0.18%max. |
0.20%max. |
0.30%max. |
0.40%max. |
|
Na2CO3 |
1.80%max |
1.80%max |
1.80%max |
1.80%max |
3.00%max. |
5.00%max. |
Na2SO3 |
2.00%max |
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 |
2.00%max |
sodium sulphide usage :
? Used in Leather or tanning for removing hair from hides and skins.
? used in synthetic organic intermediate and preparation of sulfur dye additives .
? in textile industry as a bleaching, as a desulfurizing and as a dechlorinating agent,
? used in pulp and paper industry.
? sodium sulphide is used in water treatment as an oxygen scavenger agent.
? in the photographic industry to protect developer solutions from oxidation.
? It is used in the production of rubber chemicals and other chemical compounds.
? It is use in other applications include ore flotation, oil recovery, food preservative,
making dyes, and detergent.
? used in mining industry as inhibitor , curing agent , removing agent