Ethion, 100 µg/ml, Cyclohexane, 5ml

Heneicosafluoroundecanoic acid, 100mg

n-Dodecane, Selectivity Check Standard, 1.5Wt%, Solvent-isooctane, Unit 10mL, # of units-1, Cas.no. 112-40-3

n-Butanol