|
物化性質(zhì)
分子式： MgSO4.H20
分子量： 138
白色粉末，無(wú)臭，易溶于水，微溶于乙醇
技術(shù)指標(biāo)
|
No
|
Test Item
|
Technical specification (%)
|
|
1
|
Purity
|
98．0
|
|
2
|
Mg0
|
28 .5
|
|
3
|
Iron
|
0.0015
|
|
4
|
Water insoluble substance
|
0.05
|
|
5
|
As
|
0.0002
|
|
6
|
Heavy metal
|
0.001
|
|
7
|
Chlorid
|
0.02
|
|
8
|
Look
|
White powder
|
|
