硫化钠
SODIUM SULPHIDE
含量:60% 铁含量15-150ppm
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