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Molecular Formula:Na2SO3
Molecule Weight:126.04
Appearance:white or light yellow crystalline powder.
Quality standard: HG/T 2967-2000
CAS： 7757-83-7
CERTIFICATE OF ANALYSIS
|
ITEM |
Type |
||
BEST |
FIRST |
Compiled |
|
content (Na2SO3),% |
≥ 97.0 |
≥ 96.0 |
≥ 93.0 |
Fe,% |
≤ 0.003 |
≤ 0.005 |
≤ 0.02 |
soluble substance in water% |
≤ 0.02 |
≤ 0.03 |
≤ 0.05 |
Educt Alkali(Na2CO3),% |
≤ 0.10 |
≤ 0.40 |
≤ 0.80 |
Sodium sulfate(Na2SO4),% |
≤ 2.5 |
— |
— |
Sodium chloride(NaCl),% |
≤ 0.10 |
— |
— |
Main uses:
This product is used as the reducer of coloring matter and chemical industries,printing and dyeing industries,medicine,paper making industries and food fresh.
Packing: in polythene plastic bag with a polypropylene overbag
Net weght: 25 kilograms per bag or following your demand.