... Treatment 2. (FeCl3)-38%,41%,43% 3. Manufacturer & Free sample 4. Quick Delivery Liquid FeCl3 for Water TreatmentIron(III) chloride, also ... ≥96.0Fe2O3(%) ≥4.0Basicity (%)40-90Insoluble substance (%) ≤0.3 PH1% water solution3.5-5.0NH3-N (%) ≤0.01As (%) ≤0.0002Hg (%)≤0.00001Pb (%) ≤0.001Cd (% )≤0.0002Usage:Mainly used ...