Sodium Sulphite

Product name: Sodium Sulphite Anhydrous,
Molecular formula : Na2SO3
Appearance : white crystalline powder
Purity: 99% 98% 9

Product name: Sodium Sulphite Anhydrous,
Molecular formula : Na
2
SO
3
Appearance : white crystalline powder
Quality standard: HG/T 29672000

Sepcification:

Index name
Premium grade
Super grade
First grade
Salable product
Industrial grade
Sodium sulfite ( Na
2
SO
3
) , % ≥
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 Na
2
SO
3
) , % ≤
0.10
0.40
0.60
/
Na
2
SO
4
, % ≤
2.50
/
/
/
NaCl , % ≤
0.10
/
/
/
Packing: double-layer plastic woven bag.
Uses : used in medicine, papermaking, tannage, leather, printing, dyeing, bleaching and food .