19 COMPOSES 20 MG/L DANS HNO3 2%,HF 0,5% of Cadmium (Cd) Lead (Pb) Antimony (Sb) Tellurium (Te) Thallium (Tl) Arsenic (III) (As3+) Chromium (III) (Cr3+) Magnesium (Mg) Selenium (IV) (Se4+) Tin (Sn) Cobalt (Co) Manganese (II) sul 1 * 125 mL