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  • Name: Sodium Sulfite
  • ID: a74
  • Time: 2015-11-19
  • Views : 60

SODIUM SULFITE

Molecular formula: Na2SO3
Molecular weight:126.04

Specification.:

Item Superior quality First class Qualified
Appearance White crystal powder
Sodium sulfite(Na2SO3),%≥ 97 96 93
Iron(Fe),%≤ 0.003 0.005 0.02
Water-insoluble,%≤ 0.02 0.03 0.05
Free alkali(Na2SO3),%≤ 0.1 0.4 0.8
Sodium sulfate(Na2SO3),%≤ 2.5 -- --
Sodium chloride(NaCl),%≤ 0.1 -- --

Usage:
It is used for bleacher of tanning industry and plant fiber, antichlor and bleacher in printing and dyeing industry developer in sensitization industry, lentine in organic industry, reducer in producing aminosalicylic acid, synthetic fiber and stabilizing agent in textile industry. It can prevent the partial oxidation of cotton cloth fiber and influence the fiber strength, and can be used in sorts of cotton fabric scouring, paper-making, electronic, water-treatment, etc.

Packing:
25, 50, 1000kg/bag or customized in polypropylene woven bag lined with polyethylene plastic bag or plastic and paper compound bag, kraft bag, etc.