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Features
1.Purity:90%, 93% , 96%
2.CAS NO.:7757-83-7
3.MF:Na2SO3
4.Appearance: white crystal powder
5.HS CODE: 28321000
6.Mol wt : 126.04
7. Application:bleaching agent for paper pulps ,waste water treatment, bleaching agent for mining industry, colors stripper and deoxidization ,auxiliary chemical in tanning process .
8.Package: Sodium sulfite is packed in net weight 25kg plstic woven bag with plastic inner bag. or as customers' request 25tons/20'FCL.
item | Tech nga Grado | Tech nga Grado |
Na2SO3 | ≥96% | ≥93% |
Free Alkali | ≤0.4% | ≤0.5% |
Iron | ≤0.005% | ≤0.01% |
Dili Matunaw sa Tubig | ≤0.05% | ≤0.1% |
Sodium Sulfate(Na2SO4) | ≤2.0% | ≤1.5% |
NaCl | ≤0.5% | ≤1% |
Paggamit
Bleaching agent for paper pulps, Waste water treatment, Bleaching agent for mining industry, Colors stripper and deoxidization, Auxiliary Chemical in tanning process
paghingalan, pagtinagsa
| item | Tech nga Grado | Tech nga Grado |
| Na2SO3 | ≥96% | ≥93% |
| Free Alkali | ≤0.4% | ≤0.5% |
| Iron | ≤0.005% | ≤0.01% |
| Dili Matunaw sa Tubig | ≤0.05% | ≤0.1% |
| Sodium Sulfate(Na2SO4) | ≤2.0% | ≤1.5% |
| NaCl | ≤0.5% | ≤1% |
