11 COMPOSES DANS HNO3 3%,HF 0,5% As 2500mg/l Be 100mg/l Cd 150mg/l Co 1000mg/l Cr 5000mg/l Cu 5000mg/l Ni 5000mg/l Pb 5000mg/l Zn 5000mg/l V 4500mg/l Sn 15000mg/l 1 * 500 mL