Acetylsalicylic acid, 15mg

Isoproturon-desmethyl, 100µg/ml in ACN, 5ml

2-Chlorophenol, 100 µg/ml, Methanol, 5ml

Perfluorocyclohexanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 374-88-9