Perfluoro-3-methylheptanoic acid, 1.2ml x 50ug/ml, methanol

n-Undecane, ?13C: -26.11, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 1120-21-4

Octachlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Dodecamethylcyclohexasiloxane