Phenkapton, 10.0 µg/ml, Acetonitrile, 10ml

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

Internal Standard for GC-analysis of PAH-compounds III 0768,16 3,6-Dimethylphenanthrene 0254,20 2,2’-Binaphthyl Conc: 500 µg/mL in DCM, 4.5mL in Certan, 10mL screw-cap

Perfluoro-n-[1,2-13C2]hexadecanoic acid, 50µg/ml in MeOH, 1,2ml