Methyl Mercury Chloride, 1000µg/mL in H2O, 5ml

Germanium (Ge), 100 µg/mL in 2%-HNO3 / Water, 4x25ml

CONOSTAN Standard S-21+K, 885 ppm, 200g

4-Chlorophenol solution, 200mg AOX/l, 100ml