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Funktionalitet
1.Purity:90%, 93% , 96%
2.CAS NO.:7757-83-7
3.MF:Na2SO3
4.Appearance: white crystal powder
5.HS CODE: 28321000
6. Molvægt: 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.
Vare |
Teknisk klasse |
Teknisk klasse |
Na2SO3 |
≥ 96% |
≥ 93% |
Gratis alkali |
≤0.4% |
≤0.5% |
Jern |
≤0.005% |
≤0.01% |
Vanduopløseligt stof |
≤0.05% |
≤0.1% |
Sodium Sulfate(Na2SO4) |
≤2.0% |
≤1.5% |
NaCl |
≤0.5% |
≤1% |
Anvendelse
Bleaching agent for paper pulps, Waste water treatment, Bleaching agent for mining industry, Colors stripper and deoxidization, Auxiliary Chemical in tanning process
Specifikationer
| Vare |
Teknisk klasse | Teknisk klasse |
| Na2SO3 | ≥ 96% | ≥ 93% |
| Gratis alkali | ≤0.4% | ≤0.5% |
| Jern | ≤0.005% | ≤0.01% |
| Vanduopløseligt stof | ≤0.05% | ≤0.1% |
| Sodium Sulfate(Na2SO4) | ≤2.0% | ≤1.5% |
| NaCl | ≤0.5% | ≤1% |
