1H-1,2,4-Triazole, 250mg

CONOSTAN Standard S-21, 30 ppm, 100g

Chlorfenson

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