Abstract
Reverse-phase, high-pressure liquid chromatography (h.p.l.c.) on Permaphase ODS and ETH was applied to the fractions of cigarette smoke condensate containing polynuclear aromatic hydrocarbons (PAH). A PAH-enriched fraction was first separated by gel filtration, and selected fractions were subjected to h.p.l.c. Although standard PAH could be easily separated on Permaphase ODS, results with smoke condensate were unsatisfactory. Better results were obtained with Permaphase ETH, which gave sufficient resolution for identification. PAH identification was aided by means of a stop-flow technique and measurement of the u.v. spectra of eluting peaks. Benzo(a)pyrene in the smoke condensate could be determined. However, for resolution of the PAH in smoke condensates, the total overall performance of h.p.l.c. was judged inferior to that of gas chromatography.
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