1.Chemical formula: Na2So3
2.CAS No:7757-83-7
3.Physical appearance: white crystalline powder
4.Application: bleaching agent for paper pulps, waste water treatment, reducing and sulphonating agent for textiles, colors stripper and deoxidization, floating agent for mining industry, auxiliary chemical in tanning process.
5.Specification:
|
|
96% Grade |
93% Grade |
|
Na2So3 |
≥96% |
≥93% |
|
Free Alkali |
≤0.4% |
≤0.4% |
|
Iron(Fe) |
≤200ppm |
≤200ppm |
|
Water Insoluble |
≤0.05% |
≤0.05% |
