Sodium Sulfite CAS 7757-83-7, Best price from China supplier factory
TNJ Chemical is a China factory, supplier and manufacturer of Sodium Sulfite CAS 7757-83-7 with plant site in Feidong Anhui Province. We are certified by GMP, ISO and SGS organization and specialize in chemical since from 2001. To buy bulk quantity Sodium Sulfite CAS 7757-83-7 at wholesale discounted price, please send your price inquiry to sales@tnjchem.com
Application & Function
Sodium sulfite is primarily used in the pulp and paper industry. It is used in water treatment as an oxygen scavenger agent, to treat water being fed to steam boilers to avoid corrosion problems, in the photographic industry to protect developer solutions from oxidation and (as hypo clear solution) to wash fixer (sodium thiosulfate) from film and photo-paper emulsions, in the textile industry as a bleaching, desulfurizing and dechlorinating agent and in the leather trade for the sulphonation of tanning extracts. It is used in the purification of TNT for military use. It is used in chemical manufacturing as a sulfonation and sulfomethylation agent. It is used in the production of sodium thiosulfate. It is used in other applications, including froth flotation of ores, oil recovery, food preservatives, and making dyes.
Specification
|
NA2SO3 CONTENT |
97 %MIN |
|
IRON (FE) |
0.003%MAX |
|
SODIUM CHLORIDE (NACL) |
0.1%MAX |
|
AS |
0.0002%MAX |
|
HEAVY METALS ( AS PB) |
0.001%MAX |
|
WATER INSOLUBLE |
0.02%MAX |
