China 98% Good Price Min Purity Dried Ferrous Sulfate /Feso4 Powder CAS 7782-63-0, Find details about China Ferrous Sulfate Heptahydrate, Ferrous Sulphate Heptahydrate from 98% Good Price Min Purity Dried Ferrous Sulfate /Feso4 Powder CAS 7782-63-0
Item | Standard |
Fe ≥ | 19.7 % |
Pb ≤ | 20 ppm |
As ≤ | 2 ppm |
Cd ≤ | 5 ppm |