product details

Beijing KangPuHuiWei Technology Co.,Ltd.

Crystalline magnesium sulfate

Author：admin Time：2019-01-04 09:40:37

Magnesium sulfate, heptahydrate

Aliases: bitter salt, magnesium sulfatecrystallization

Relative molecular Weight:246.47

Properties:colorless columnar or granularcrystal. With bitter salty.The relative density of 1.67. Weathering in dryair.At room temperature the loss of a molecular crystal water, 70 ~ 80 ° C loss offour molecules of crystal water, 100 ° C lost 5 moleculesof crystal water, 120 ° C into anhydrous.The temperature of 1124 ° C(anhydrous). Soluble in water, slightly soluble in ethanol, glycerol, insolublein acetone.

Product standard number: GB/T 671-77

Specifications: Content and content of impurities in %

Test Items	AR	CP
Content	99.0	99.0
Clarity test	Qualified	Qualified
Water insoluble matter	0.005	0.01
Chloride （Cl）	0.0005	0.001
Sodium（Na）	0.005	0.05
Calcium （Ca）	0.02	0.05
Manganese （Mn）	0.001	0.005
Iron （Fe）	0.0005	0.001
Zinc（Zn）	0.001	0.002
Arsenic（As）	0.0001	0.0002
Heavy metal（以Pb计）	0.0005	0.001

Usage:It can be use as analysis ofreagents,such as as sulfate precipitation agent.Also used in medicine, printingand dyeing, paper, ceramics and leather industry.

Reagent Grade Magnesium sulfate heptahydrate

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