Ipronidazole-hydroxy, 100 µg/ml, Methanol, 1ml

Ethyl octadecanoate , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 111-61-5

Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane

Perfluoro-1-hexanesulfonamide, 1.2ml x 50ug/ml, isopropanol