2,5-Dimethylphenol, 100 µg/ml, Acetonitrile, 5ml

n-Heneicosane, ?13C: -28.59, 150ug/ml, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. 629-94-7

1H,1H,2H,2H-Perfluorooctanesulfonic acid; 6:2FTS, 97%, 5g

Phorate-oxon-sulfone, 100 µg/ml, Cyclohexane, 1m