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Sodium Sulfide (60%)
Chemical Formula：Na₂S
Properties: Industrial sodium sulfide is usually pink, brownish red and yellowish brown due to impurities
Application: Used for manufacturing sulfide dyes, leather unhairing agent, metal smelting, photography, rayon denitration, etc
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Sodium Sulfide
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Product description
Chemical Name: Sodium Sulfide (60%)
Chemical Formula：Na₂S
Properties: Industrial sodium sulfide is usually pink, brownish red and yellowish brown due to impurities
Application: Used for manufacturing sulfide dyes, leather unhairing agent, metal smelting, photography,rayon denitration, etc
Product Quality Standard
|
No |
Items |
Indicatives |
|
|
Superior Products |
First Grade |
||
|
1 |
Na₂S Content（%） |
≥60.0 |
≥60.0 |
|
2 |
Na₂SO₃ （%） |
≤2.0 |
- |
|
3 |
Na₂S₂O₃ % Sodium thiosulfate |
≤2.0 |
- |
|
4 |
（Fe）iron （%） |
≤0.03 |
≤0.12 |
|
5 |
Na₂CO₃ |
≤3.5 |
≤5.0 |
|
6 |
Water insoluble content |
≤0.2 |
≤0.4 |
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