2-Chloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Pendimethalin, 100 µg/ml, Acetonitrile, 5ml

Naphthalene-d8, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 1146-65-2

Trifluoromethanesulfonic acid, 50µg/ml in MeOH, 5ml