This Standard contains the following;

Cadmium (Cd) @ 50 µg/mL, Lead (Pb) @ 500 µg/mL,

Arsenic (As), Selennium (Se), Thallium @ 2000 µg/mL

Matrix - 4% HNO3

Matrix - 2% HNO3 Tr HF

Similar to Perkin Elmer Spike Sample (ICP)