Atrazine, 100 µg/ml, Methanol, 1ml

4,4'-Dichloro[13C12]biphenyl, 50.0µg/mL in Nonane/10% toluene, 1,2ml

Phthalic acid, 250mg

Benzo[a]naphtha[8,1,2-cde]naphthacene (in vial for quick-preparation of solution), neat, Solvent-neat, Unit ca. 100ug, # of units-1, Cas.no. 192-70-1