In-House ICP-OES quantitative analysis of Lead (Pb), Mercury (Hg), Cadmium (Cd) and Arsenic (As) reported in parts per million (ppm) to the USP <232> specifications.
Pb: NMT 0.5 ppm
Hg: NMT 0.1 ppm
Cd: NMT 0.2 ppm
As: NMT 0.2 ppm
Requires 2 grams or 2 mL of sample.