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Specifications

Product Name : Sodium Sulfite
Molecular Formula: Na2SO3
Appearance: white or light yellow crystalline powder
 
Model Number: Industrial           Country of origin: China
 Specification:

 

Item
Index
Top-grade
First-grade
Qualified product
Sodium Sulfite(Na2SO3) %
97.0min
96.0min
93.0min
Fe  %
0.003max
0.005max
0.02max
Free Alkali(as Na2CO3) %
0.10max
0.40max
0.80max
Water-Insoluble Matter%
0.02max
0.03max
0.05max
Sulphate(as NaSO4) %
2.5max
--
--
Chloride(as NaCl) %
0.10max
--
--
 
 
 
 
 
 
 
 
 
Applications:
 1, paper-making industry
 2, leather industry
 3, bleaching
 4, dyeing and painting industry
Packaging: In plastic woven bags lined with plastic bags of 25kg net each