Simazine, 10.0 µg/ml, Acetonitrile, 10ml

Metformin-d6 hydrochloride (dimethyl-d6),100 µg/mL,MeOH,1mL,

Reserpine, 10µg/ml in Acetonitrile, 10ml

Whole milk powder - Aflatoxin M1 (low level), 30g