... % 3. Manufacturer & Free sample 4. Quick Delivery Liquid FeCl3 for Water TreatmentIron(III) chloride, also called ferric chloride, ... (%) ≤0.001Cd (% )≤0.0002Usage:Mainly used for water treatment agent, printing plate, electronic circuits board of mordants, metallurgy ... industry of chlorinated agent, dyestuff industry of antioxidants and mordant, organic synthesis ...