Polychlorinated biphenyls (PCBs) is a group of organochlorine chemicals whichare extremely persistent and widespread environmental contaminants. The difficultyfor separation and analysis of PCB is caused by large numbers of congeners (possible209) and large differences in concentration between some congeners. Comprehensive,quantitative, congener-specific analysis for each PCB congener is required for topresearches.
The retention values of about 150 PCB congeners were measured on three kindsof capil...