Matières premières
Sodium Sulfite 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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Cette page concerne les importateurs et exportateurs de Sodium Sulfite anhydrous Na2SO3 Rechercher dans la catégorie : Matières premières Rechercher dans la catégorie : sulfite, sodium, anhydrous, na2so3 |
Mercredi 23 décembre 2015
Prix : $250 / MT CIF
ICUMSA 45 is a highly refined sugar, and it is easily recognizable by its distinctive sparkling white color and pure Sucrose taste. It is suitable for human consumption and use in a wide range of food applications. It is perpetually in high demand as it is the safest form of sugar...
Mercredi 23 décembre 2015
Quantité : 2000 Metri - Prix : $250/mt CIF
ICUMSA 45 is a highly refined sugar, and it is easily recognizable by its distinctive sparkling white color and pure Sucrose taste. It is suitable for human consumption and use in a wide range of food applications. It is perpetually in high demand as it is the safest form of sugar...
Jeudi 15 mai 2014
Quantité : 12500
Nous mettons a la disposition des grossistes et/ou sociétés d'import-export une varieté de ciment fabriqué en Espagne / Norme Européenne . STOCK DISPONIBLE : Du CEM 1 jusqu au CEM 5 Prix : sur demande Contact : avec le vendeur final en Espagne sans passer par le réseau des courtiers ...