... QUALITY AND MORE COMPETITIVE PRICE! manufactory and accpet any inspections Zinc SulfateMolecular formula------ZnSO4Molar mass-------161.47 g/mol (anhydrous) 179 ... ,% ≥ 35.3 ≥ 33.8 ≥32.3 Pb,% ≤0.002 ≤0.010 ≤0.015 Cd,% ≤0.002 ≤0.003 ≤0.005 As ... , ZnSO4·7H2O, the mineral goslarite.It is used to supply zinc in animal feeds, fertilizers, and agricultural sprays ...