D3-Ipronidazole-hydroxy, 10mg

Internal Standard for GC-analysis of PAH compounds 4 Analytes, each 500 µg/mL in dichloromethane; units:1x5mL 0393.12 1-Phenylhexane [1077-16-3] 0728.12 2,3-Dimethylnaphthalene [581-40-8] 0768.16 3,6-D

Perfluoro-4-oxapentanoic acid (PFMPA), 50µg/ml in MeOH, 1,2ml

2,2,4,5-Tetrachlorobiphenyl (BZ-49)