Ketoprofen, 100 µg/ml, Methanol, 1ml

2-Perfluorooctyl (13C2)ethanoic acid (13C2-8:2 FTCA), 50µg/ml in Isopropanol, 1,2ml

5-Chloro-2-methyl-4-isothiazolin-3-one D3, 10mg

5ß(H)-Cholane, 100µg/ml in Isooctane, 1ml