Raw materials
Sodium Sulphite anhydrous Na2SO3 |
CAS RN.: |
7757-83-7 |
EINECS: |
231-821-4 |
H.S.CODE: |
2832.1000.00 |
1. Chemical Analysis
Component |
Range |
Typical |
Na2SO3 % |
≥ 97.0 % |
97.37% |
Fe % |
≤ 0.003% |
0.003% |
Water insoluble matter |
≤ 0.02% |
0.02% |
Na2CO3 |
≤ 0.10% |
0.10% |
Na2SO4 |
≤ 2.5% |
2.5% |
2. Application
Pulp and paper industry |
Lignin removal agent |
Water treatment |
Oxygen scavenger agent. |
Photographic industry |
To protect developer solutions from oxidation and (as hypo clear solution) to wash fixer (sodium thiosulfate) from film and photo-paper emulsions. |
Textile industry |
Bleaching, desulfurizing and dechlorinating agent |
Chemical manufacturing |
Sulfonation and sulfomethylation agent. It is used in the production of sodium thiosulfate. |
Leather trade |
The sulfitization of tanning extracts |
Other applications |
l froth flotation of ores l oil recovery l food preservatives l making dyes l It is used in the purification of TNT for military use. |
3. Transportation Information:
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Good deal: buying from seller
This page is about importers and exporters of Sodium Sulphite anhydrous Na2SO3 Search in a category : Raw materials Search in a category : sodium, na2so3, sulphite, anhydrous |
Tuesday, February 16, 2016
Quantity : 1000 - Price : 1500 USD/ MT CIF
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Saturday, May 04, 2024
Quantity : 1
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Wednesday, May 08, 2024
Quantity : 500 - Price : USD0.5/pc
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