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Sodium Sulphite

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Molecular Formula:Na2SO3

Molecular Weight:126.04

CAS No:7757-83-7

Property:White crystal powder, specific gravity: 2.633, melting point: 150℃. It soluble in water, lightly soluble in alcohol. Water solution appears light alkalinity, it decomposition when heated and has reduction role.

Specification:

Na2SO3
92% Min--------- 96% Min ----------97% Min
Fe
0.002% Max------ 0.005% Max------ 0.003% Max
Insoluble matter in water
0.1% Max ---------0.03% Max ---------0.02% Max
Free alkali (as sodium carbonate)
------------------- 0.4% Max --------- 0.10% Max
Moisture
2% Max -- ----------------------------

Packing:

Usage:

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