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Updated: Aug 13, 2026

A Protocol for Detecting and Scavenging Gas-phase Free Radicals in Mainstream Cigarette Smoke
Published on: January 2, 2012
[Determination of benzo(a)pyrene in cigarette mainstream smoke by second-order-derivative synchronous fluorescence]
Hu Fan1, Linag-quan Sheng, Hong-wu Tong
1Research Center of Tobacco and Health, University of Science and Technology of China, Hefei 230052, China.
Abstract:
The synchronous fluorescence, first-order and second-order-derivative synchronous fluorescence spectra of BaP in cigarette mainstream smoke were studied. It was indicated that the second-order-derivative synchronous fluorescence spectrum could decrease the disturbances of BaP homologous compounds and background of sample. Hereby the present paper introduces a new method to determine BaP in cigarette mainstream smoke by solid-phase-extraction second-order-derivative synchronous fluorescence. The detection limit is 0.2 ng x mL(-1), the average recoveries of BaP are 80.2%-86.2%, and the RSD is 2.64%-3.02%.
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