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Zinc Sulphate Heptahydrate Granular
.jpg "Zinc Sulphate Heptahydrate Granular")
Molecular formula : ZnSO4·7 H2O
Spec：2-4mm
|
Spec |
Industrial grade |
Agricultural grade |
Feed grade |
|
Main content |
97% |
98% |
98% |
|
Water insoluble matter≤ |
0.05% |
0.05% |
0.05% |
|
Zinc (Zn)≥ |
22% |
22% |
22% |
|
Arsenic (As)≤ |
0.002% |
0.0005% |
0.0005% |
|
Cadmium (Cd)≤ |
0.002% |
0.001% |
0.001% |
|
Lead (Pb)≤ |
0.002% |
0.001% |
0.001% |
|
Mercury (Hg)≤ |
0.0005% |
0.0001% |
0.0001% |
