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Specifications
Sodium Sulphide
1.leading Factory
2.accept SGS check
3.Fast delivery 5-10 days
4.lowest price in china
High quality lower price red or yellow flakes Na2S 60% MIN sodium sulphide
sodium sulphide Products name:
Sodium Sulphide flakes or sodium sulfide flakes
Purity: Na2s 60% min or 50%min
Appearance: red flakes or yellow flakes( Fe<150ppm)
Quantity: 20-25mt/20'FCL
sodium sulphide Specification:
Red flakes: Fe1500ppm max, Fe 150ppm max
Yellow flakes: Fe 10ppm max, Fe 30ppm max , Fe 50ppm max, Fe 80ppm max, (Fe 150ppm)
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
| ITEM |
STANDARD I |
STANDARD II |
STANDARD III |
STANDARD IV |
STANDARD V |
| Fe |
10ppm max |
30ppm max |
50ppm max |
150ppm max |
1500ppm max |
| Na2S |
60%min. |
60%min. |
60%min. |
60%min. |
60%min. |
| Water insolubles |
0.03%max. |
0.18%max. |
0.18%max. |
0.30%max. |
0.40%max. |
| Na2CO3 |
1.80%max. |
1.80%max. |
1.80%max. |
3.00%max. |
5.00%max. |
| Na2SO3 |
1.00%max. |
1.80%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. |
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