Metrafenone, 10.0 µg/ml, Acetonitrile, 10ml

Benzyldimethyloctylammonium chloride, 100mg

Mass-Labelled Coplanar PCB Mixture, 10.0µg/mL in Nonane/8% toluene, 1,2ml

4-Formylaminoantipyrine, 10mg