Product category: inorganic salt
English name: Sodium sulfate
Molecular weight: 142.04
Molecular formula: Na2SO4
CAS NO: 7757-82-6
Product properties:
Sodium sulfate has stable chemical properties and is easily soluble in water. It is easy to be hydrated in humid air. Anhydrous substance is called sodium sulfate, and it is easy to be hygroscopic when exposed to air.
Product uses:
Industry used for the production of sodium silicate and other chemicals, used in the selection of paper industry to manufacture kraft pulp cooking agent, glass industry instead of soda as a co-solvent, textile industry used for the deployment of vinnylon spinning coagulant, printing and dyeing additives, also used in non-ferrous metal smelting leather and other aspects.
Packaging: 50kg±1.0% woven bag with plastic lining
Quality standard:
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Item
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Indicators, category Ⅱ
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Top grade
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Qualified product
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Mass fraction of sodium sulfate (Na₂SO4)1%≧
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98.00
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97.00
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Mass fraction of water insolubles 1%≦
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0.10
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0.20
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Mass fraction of Calcium and magnesium( as mg)1%≤
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0.30
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0.40
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Mass fraction of chloride (as cl) 1%≤
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0.70
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0.90
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Mass fraction of iron (as Fe) 1%≤
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0.02
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0.05
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Mass fraction of moisture 1%≤
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0.50
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1.00
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Whiteness≧
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82.00
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无
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