21 COMPOSES DANS HNO3 5% Ag 25mg/l Al 200mg/l B 10mg/l Ba 50mg/l Cd 10mg/l Co 10mg/l Cr 10mg/l Cu 100mg/l Fe 400mg/l Mn 50mg/l Mo 10mg/l Ni 10mg/l Pb 50mg/l Si 250mg/l Sn 50mg/l V 10mg/l Zn 100mg/l P 100mg/l As 1 * 500 mL