Description
Specification:
ITEM | SPECIFICATION |
PURITY(AS Na2S2O3): | 98.%MIN |
IRON(Fe): | 0.003%MAX |
WATER INSOLUBLE: | 0.02%MAX |
FREE ALKALI(Na2CO3) | 0.1%MAX |
SODIUM SULFATE(Na2SO4) | 2.5%MAX |
CHLORIDE(Nacl) | 0.1MAX |
Grade: Industrial grade, Food grade
Usage: The role of anhydrous sodium sulfite is extensive. In the pharmaceutical industry, paper making, leather tanning and dyeing industries and plant fiber bleaching, food, etc it has a very important role.ln addition anhydrous sodium sulfite is also used in film developing, bleaching agents, printing and dyeing industry as a deoxygenation agent.
Packing: 25KG/BAG, 50KG/BAG, 500KG/BAG, 1000KG/BAG
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