Methamidophos, 100 µg/ml, Toluene, 1ml

Internal Standard for GC-analysis of PAH-compounds III 0768,16 3,6-Dimethylphenanthrene 0254,20 2,2’-Binaphthyl Conc: 500 µg/mL in DCM, 4.5mL in Certan, 10mL screw-cap

Thifensulfuron methyl, 100μg/mL in Acetonitrile, 1ml

UHT milk Lactose-reduced (sterilized), 100ml