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Nodweddion
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.
Eitem | Tech Grade | Tech Grade |
Na2SO3 | ≥ 96% | ≥ 93% |
Free Alkali | ≤0.4% | ≤0.5% |
Haearn | ≤0.005% | ≤0.01% |
Water Insoluble Matter | ≤0.05% | ≤0.1% |
Sodium Sulfate(Na2SO4) | ≤2.0% | ≤1.5% |
NaCl | ≤0.5% | ≤1% |
Cymhwyso
Asiant cannu ar gyfer mwydion papur, Trin dŵr gwastraff, Asiant cannu ar gyfer diwydiant mwyngloddio, stripiwr lliwiau a dadocsideiddio, Cemegol Ategol yn y broses lliw haul
manylebau
| Eitem | Tech Grade | Tech Grade |
| Na2SO3 | ≥ 96% | ≥ 93% |
| Free Alkali | ≤0.4% | ≤0.5% |
| Haearn | ≤0.005% | ≤0.01% |
| Water Insoluble Matter | ≤0.05% | ≤0.1% |
| Sodium Sulfate(Na2SO4) | ≤2.0% | ≤1.5% |
| NaCl | ≤0.5% | ≤1% |
