1,2,4,5-Tetrachlorobenzene

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

2-Methylpyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. 109-08-0

Phenylmercury acetate,500µg/mL,acetonitrile,1mL,