Selenium (Se)

1,2-Dihydro-2,2,4-trimethyl-6-quinolinol, 25mg

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

2,4-DB-methyl ester, 250mg