Precision and Recovery Solution, 1.2ml, nonane

Ethanesulfonic acid, 100mg

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

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