Name：Sodium Sulfite
Chemical formula：Na2SO3
sical appearance：White crystaler.
Application:
1>Bleaching agent for paper pulps ;
2>Waste water treatmentï¼›
3>Reducing and sulnating agent for chemical synthesis ï¼›
4>Bleaching agent for textilesï¼›
5>Colors stripper and deoxidization ;
6>Floating agent for mining industry;
7>Auxiliary chemical in tanning process .
Product Specification:
ITEM | FOODGRADE | TECHGRADE | TECHGRADE |
Na2SO3 | >97% | >96% | >93% |
FREE ALKALI | <0.1% | <0.4% | <0.4% |
IRON | <0.002 | <0.005% | <0.005% |
WATER INSOLUBLE MATTER | <0.02% | <0.05% | <0.05% |
SODIUM SULFATE(Na2SO4) | <2.5% | --------- | ---------- |
NACL | <0.1% | ---------- | --------- |
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