Inspection Item Feed Grade Electroplating grade Fertilizer Grade Purity 98%min 99%min 98%min Cu Content 25%min 25.2%min 25%min Pb 10ppmmax 5ppm max 10ppm max Fe 0.1%max 10ppm max 500ppm max Zn 10ppm max Ni 20ppm max 10ppm max Cd 5ppm
Copper sulfate celeste or with yellow granular crystal, become acidic aqueous solution, the protective inorganic sterilization... Copper sulfate preparation is an important raw material of other copper compounds