Propoxur, 100 µg/ml, Acetonitrile, 5ml

Ethanol standard in water,4.0g/L,water, 1.5mL

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

4-n-Butylbenzoic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 20651-71-2