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Característiques
1.Purity:90%, 93% , 96%
2.CAS NO.:7757-83-7
3.MF:Na2SO3
4.Appearance: white crystal powder
5.HS CODE: 28321000
6. Pes mol: 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.
Article | Grau tècnic | Grau tècnic |
Na2SO3 | ≥ 96% | ≥ 93% |
Free Alkali | ≤0.4% | ≤0.5% |
Ferro | ≤0.005% | ≤0.01% |
Matèria insoluble en aigua | ≤0.05% | ≤0.1% |
Sodium Sulfate(Na2SO4) | ≤2.0% | ≤1.5% |
NaCl | ≤0.5% | ≤1% |
sol·licitud
Bleaching agent for paper pulps, Waste water treatment, Bleaching agent for mining industry, Colors stripper and deoxidization, Auxiliary Chemical in tanning process
especificacions
| Article | Grau tècnic | Grau tècnic |
| Na2SO3 | ≥ 96% | ≥ 93% |
| Free Alkali | ≤0.4% | ≤0.5% |
| Ferro | ≤0.005% | ≤0.01% |
| Matèria insoluble en aigua | ≤0.05% | ≤0.1% |
| Sodium Sulfate(Na2SO4) | ≤2.0% | ≤1.5% |
| NaCl | ≤0.5% | ≤1% |
