|
Industrial Grade (HG/T2326-92)
|
Feed Grade (HG/2934-2000)
|
|
Content (ZnSO4.7H2O)≥98.0%
|
Content (ZnSO4.7H2O)≥98.0%
|
|
Zinc (Zn)≥22.51%
|
Zinc (Zn)≥22%
|
|
PH Value (50g/l Solution)≥3.0
|
Arsenic (As)≥0.0005%
|
|
Chloride≤0.2%
|
Lead (Pb)≤0.0001%
|
|
Lead (Pb)≤0.002%
|
Cadmium (Cd)≤0.002%
|
|
Manganese (Mn)≤0.001%
|
Fineness (Passing Through 250um Screen Cloth≥95%
|
|
Cadmium (Cd)≤0.002%
|
——
|
|
Iron(Fe)≤0.005%
|
——
|
|
Copper (Cu)≤0.002%
|
——
|
|
Water Insoluble≤0.02%
|
——
|
