Cephacetrile, 10mg

PCB Isomer Standard “Dutch 7”

2-Perfluorohexyl-[1,1-2H2]-[1,2-13C2]-ethanol (6:2), 50µg/ml in MeOH, 1,2ml

6-Methylchrysene, 100 µg/ml, Acetonitrile, 5ml