Mainly used as dechlorinating agent,bleaching agent,developer,reductant,,leather and tannage,plant bleaching agent,reductant,etc
Sodium Sulfite Anhydrous ,food grade
Formula: Na2SO3
Molecule Weight: 126.04
Appearance: white or light yellow crystalline powder
Item |
Index |
Sodium Sulfite(Na2SO3) % |
97.0min |
Fe % |
0.01max |
Free Alkali(as Na2CO3) % |
0.60max |
Heavy Metals(as Pb) % |
0.001max |
AS % |
0.0002max |
Clarity |
Passed Test |
Sodium Sulfite Anhydrous ,Industrial grade
Formula: Na2SO3
Molecule Weight: 126.04
Appearance: white or light yellow crystalline powder
Item |
Index |
||
Top-grade |
First-grade |
Qualifided 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 |
-- |
|
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