Description
Zinc Sulfate Heptahydrate. CAS RN 7446-20-0. Formula Weight: 287.56. Density: 1.97kg/L. Granular, USP/FCC grade, 99.0-108.7%. Lead (Pb): 10ppm max. Cadmium (Cd): 5ppm max. Selenium (Se): 0.003% max. Mercury (Hg): 5ppm max. Packaged in a poly pail. 12kg.