| Model: | - |
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| Brand: | - |
| Origin: | - |
| Category: | Chemicals / Dyes & Pigment |
| Label: | - |
| Price: |
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| Min. Order: | - |
| Live Chat: | Last Online:23 Aug, 2013 |
SPECIFICATION
|
Items |
standard |
Text results |
|
Appearance |
Yellowish flake |
Yellowish flake |
|
(NaSH）Sodim Hydrosulfide,% Min% |
70 |
70.6 |
|
(Na2S)sodium sulfide ,% Max% |
3.0 |
2.1 |
|
(Na2CO3)sodium carbonate,% |
1 |
0.8 |
|
Fe(Iron),w%,ppm Max |
30 |
22.3 |
|
Water Insoluble Max% |
0.05 |
0.05 |
|
Meet GB 23937-2009 industrial grade standard . |
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Uses:
1. Used in dye industrial as a preparation of sulphur dye synthesis of organic intermediates and additives.
2. In the leather tanning industry, it’s used to remove hair and for making raw hides, but also used in wastewater treatment.
3. In the chemical fertilizer industry, it’s used to remove the activated carbon desulfurization agent monomer sulphur.
4. It’s used to produce ammonium sulfide and pesticide ethanethiol semi-finished mat erials.
5. In the mining industry, it's used for copper processing.
6. In the production of synthetic fibers used for sulfurous acid dyeing, etc.