Product Description
Spec:
Appearance: White crystal powder
Na2SO3 content: 97%min
Fe3-: 0.003% max
Na2CO3: 0.1% max
Insoluble substance: 0.02% max
Na2SO4: 2.5% max
NaCl: 0.1% max
Package: Net 25kg/bag
Properties: white crystalline powder is soluble in water, aqueous solution is alkaline, hard to dissolve in alcohol, liquid chlorine, liquid ammonia.It is easy to oxidize in humid air and under the action of sunlight. It is a commonly used strong reducing agent with a specific gravity of 2.663.
It is primarily used in pulp and paper industry. It is used in water treatment as an oxygen scavenger agent , in the photographic industry to protect developer solutions from oxidation, in textile industry as a bleaching, as a desulfurizing and as a dechlorinating agent and in leather trade for the sulfitization of tanning extracts
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