D10-Simazine, 100 µg/ml, Acetone, 1ml

Theophylline, 100µg/ml in MeOH, 5ml

N-[(3,4-Dimethoxyphenyl)methyl]-4-methyl-octanamid

PAH standard for liquid chromatography 16 PAH acc. to. EPA Method 610 in acetonitrile pack of 1mL