无水Na2so3用途
Pulp and paper industry:Lignin removal agent
Water treatment: Oxygen scavenger agent
Textile industry:Bleaching, desulfurizing and dechlorinatingagent
4.Printing and dyeing industry: Used as deoxidizer andbleaching agent
5.Leather trade:The sulfitization of tanning extracts
6.Chemical manufacturing:Sulfonation and sulfomethylationagent. It is used in the production of sodium thiosulfate.
7.Photographic industry:To protect developer solutionsfrom oxidation and (as hypo clear solution) to wash fixer (sodiumthiosulfate) from film and photo-paper emulsions.