o-Anisidine, 100 µg/ml, Acetonitrile, 1ml

Sulfanilamide, 100µg/ml in MeOH, 5ml

1-Chloro-2,4-dinitrobenzene, 1000µg/ml in MeOH, 1ml

Metazachlor, 100 µg/ml, Acetonitrile, 5ml