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5149140 
Journal Article 
Determination of benzo(a)pyrene in smoke condensates by high pressure rapid liquid-liquid chromatography 
O'Hara, , JR; Chin, MS; Dainius, B; Kilbuck, JH 
1974 
Yes 
Journal of Food Science
ISSN: 0022-1147
EISSN: 1750-3841 
INST FOOD TECHNOLOGISTS 
CHICAGO 
39 
1 
38-41 
English 
WOS:A1974S140400009 
HEEP COPYRIGHT: BIOL ABS. Published methods for analysis of benzo(a)pyrene in (cigarette) smoke condensates involve a lengthy sample preparation followed by spectrophotometric estimation of the content of the carcinogen. A more efficient method was developed in which the benzo(a)pyrene is extracted from the smoke condensate, washed with acid and alkali solutions, eluted from a Florisil column, isolated by preparative thin layer chromatography and quantitized on a liquid-liquid chromatograph at 254 mmu. The range of recovery is 60-88%.