Levetiracetam, 100µg/ml in Acetonitrile, 5ml

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

4,5-Dimethylpyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 15679-25-1

1,2-Dichloroethane, 1ml