Abstract
Cyclodextrin-modified micellar electrokinetic chromatography has enabled the chiral separation of polychlorinated biphenyls (PCBs). Twelve PCBs (45, 84, 88, 91, 95, 132, 136, 139, 149, 171, 183 and 196) were individually separated into their two enantiomers by using γ-cyclodextrin as modifier in a separation buffer containing 2-(N-cyclohexylamino)ethanesulphonic acid (CHES) and sodium dodecyl sulphate (SDS) micelles. Multicomponent separations were also performed. The separation of the eighteen enantiomers of a mixture of nine chiral PCBs has been performed in a short analysis time (ca. 35 min).
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