Sodium hydrosulphide 70% 30ppm
NaHS(purity)
Na2S(sodium sulfide)
Na2CO3
Matter insoluble
value
70% min
3% max
1 % max
0.01% max
Sodium hydrosulphide 70% 20ppm
NaHS(purity)
Na2S(sodium sulfide)
Na2CO3
Matter insoluble
value
NaHS(purity)
Na2S(sodium sulfide)
Na2CO3
Matter insoluble
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SODIUM HYDROSULPHIDE USAGE:
1. industrial dye: in organic synthesis and with the preparation of the additives sulfur dyes
2. water treatment: to subside the heavy metal ions, use the NAHS as vulcanizing agent to remove the arsenic from acid wastewater.
3. in the ore floatation industry: to make the copper convert into copper sulphide and cuprous sulfide in the flotation of copper ore, it can use flotation process
4. in the leather: to remove the hair and tannage
5. in the fertilizer industry : to produce acid ammonium sulfide
6. in the process of artificial fibre: to make sulfurous acid dyeing.
7. in the paper making, as a makeup chemical for sulphur used in the kraft.
Etc.
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