product details

Beijing KangPuHuiWei Technology Co.,Ltd.

Zinc sulfate

Author：admin Time：2019-01-04 09:41:14

Zinc sulfateheptahydrate ZnSO4·7H2O

Aliases:zinc vitriol

Relativemolecular Weight:287.56

Properties: white crystal. The relativedensity is 1.957. In dry air gradually weathered.when 39 ° C dissolved in their own crystal water, dehydration at 100 ° C for ahydrate. Weathering in dry air, soluble in water, insoluble in ethanol. Aqueoussolution was weak acid.

Product standard number:GB/T 666-93

Specifications: Content and the content of impurities in %

Test Items	AR	CP
Content	99.5	99.0
Clarity test	Qualified	Qualified
Water insoluble matter	0.01	0.02
Chloride（Cl）	0.0005	0.002
Total nitrogen（N）	0.001	0.002
Arsenic（As）	0.00005	0.0002
Manganese（Mn）	0.0003	0.001
Iron（Fe）	0.0005	0.002
Copper（Cu）	0.001	0.005
Cadmium（Cd）	0.0005	0.002
Lead（Pb）	0.001	0.01
Ammoniumsulfide non-precipitate ( sulfate)	0.05	0.20

Package:25 kg in woven bag with plasticinner bag

It can be use as analysis ofreagents,mordant. But also for the production of electronic components andpharmaceutical industry.

AR grade zinc sulfate chemical pure zinc sulfate

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