... , meat-processing industry, coal-washing, metallurgy industry, mine, pharmacy, paper-making, and purification of the waste water containing fluorine, oil ... (Cr6+)%≤ 0.0015hydrargyrum(Hg)%≤ 0.00002plumbum (Pb)%≤ 0.003Cadmium (Cd)%≤ 0.0006Storage and Transport attention:>This product must be stored ... contamination and heated damp, do not damage packaging. high grade Poly Aluminium Chloride 18% AI2O3