China Zinc Sulfate, Znso4, Agriculture Grade, Industrial Grade, Stable Quality Manufacturer, Find details about China Zinc Sulfate, Zinc Sulphate from Zinc Sulfate, Znso4, Agriculture Grade, Industrial Grade, Stable Quality Manufacturer
Item | Index | ||
ZnSO4@7H2O | |||
Wonderful grade | First grade | Up to grade | |
Zn ≥% | 22 | 21 | 20 |
Free acid ≤% | 0.1 | 0.2 | 0.3 |
Pb ≤% | 0.002 | 0.005 | 0.01 |
Cd ≤% | 0.002 | 0.002 | 0.003 |
As ≤% | 0.002 | 0.005 | 0.007 |