Magnesium Sulfate
|
Items
|
Standard Values
|
Actual values
|
|
Outward
|
White powder
|
White powder
|
|
Quality fraction of water-soluble magnesium(in Mg),%
|
≥16.0
|
16.6
|
|
Quality fraction of water-soluble sulfur(in S),%
|
≥19.5
|
22.1
|
|
PH
|
5.0-9.0
|
7.9
|
|
Pb,%
|
≤0.0200
|
0.0002
|
|
Cd,%
|
≤0.0010
|
0.0003
|
|
As,%
|
≤0.0050
|
0.0001
|
|
CL,%
|
≤2.5
|
0.0020
|
|
Hg,%
|
≤0.0005
|
0.00002
|
|
Cr,%
|
≤0.0500
|
0.0001
|
|
Quality fraction of free water,%
|
≤5.0
|
0.003
|