Sodium Sulfite Anhydrous
Product: Sodium Sulfite Anhydrous
used in medicine, papermaking, tannage, leather, printing, dyeing, bleaching and food
 
Product name:  Sodium Sulfite Anhydrous
Molecular formula : Na2SO3
Appearance : white crystalline powder
Quality standard: HG/T 29672000
Sepcification:
 

Index name
Premium grade
Super grade
First grade
Salable product
Industrial grade
Sodium sulfite ( Na2SO3 ) , % >=
97.0
96.0
93.0
90.0
Fe , <=
0.003
0.005
0.01
/
Water insoluble matter , % <=
0.02
0.03
0.05
/
Free alkali ( as Na2SO3 ) , % <=
0.10
0.40
0.60
/
Na2SO4 , % <=
2.50
/
/
/
NaCl , % <=
0.10
/
/
/

 
Packing: double-layer plastic woven bag.

Uses : used in medicine, papermaking, tannage, leather, printing, dyeing, bleaching and food .

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