2,3',4,4',5-Pentachloro-3-biphenylol, 1.2ml x 50ug/ml, nonane

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

Thorium (Th)

Fosthiazate, 10 µg/ml, Acetonitrile, 10ml