sodium sulphite

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sodium sulphite
Posting date : Jul 12, 2007
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28-
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.Sodium Sulphite Molecular Formula: Na2SO3 Molecular Weight: 126.04 CAS Number: 7757-83-7 Density: 2.633g/ml at 25°C Appearance: White crystal powder Specifications: Purty: 96% min. Free alkali: 0.4% max Water insoluble matter: 0.05% max Fe: 0.02% max Packing: 25kgs net plastic woven bag bleaching agent for paper pulps and textiles; waste water treatment; reducing and sulphonating agent for chemical synthesis; colors stripper and deoxidization; floating agent for mining industry; auxiliary chemical in tanning process. Storage time: 3 months

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