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Sodium Sulfide
Molecular formula： Na2S
Use: dehydrating agent, manufactured of rubber, dyestuff tincture, rayon denitration agent, paper pulp, metal ore flotation, refined metal, emboss, printing and dyeing reagent.
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Industrial Sodium Sulfide technical stantard |
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Implement Standard：GB 10500-2009
unit:% |
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project |
index |
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Class I |
Class II |
Class III |
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Excellent product |
First grade |
Qualified product |
First grade |
Qualified product |
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Sodium Sulfide（Na2S）content
≥ |
60.00 |
60.00 |
60.00 |
60.00 |
60.00 |
65.00 |
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sodium sulphite（Na2SO3）content ≤ |
2.00 |
- |
- |
- |
- |
- |
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sodium hyposulfite（Na2S2O3）content ≤ |
2.00 |
- |
- |
- |
- |
- |
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ron （Fe)含量 content ≤ |
0.030 |
0.120 |
0.200 |
0.003 |
0.005 |
0.080 |
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sodium carbonate（Na2CO3） content
≤ |
3.50 |
5.00 |
- |
2.00 |
3.00 |
4.00 |
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water insolubilitycontent
≤ |
0.20 |
0.40 |
0.80 |
0.05 |
0.10 |
0.30 |
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