Abstract − Analytical Sciences, 21(10), 1203 (2005).
Resolution of 13 Polycyclic Aromatic Hydrocarbons by Constant-wavelength Synchronous Spectrofluorometry
María Asunción LAGE-YUSTY, Javier LÓPEZ-GONZÁLEZ, and Jesús SIMAL-LOZANO
Department of Analytical Chemistry, Nutrition and Bromatology, Area of Nutrition and Bromatology, Faculty of Pharmacy, University of Santiago de Compostela, E-15782 Santiago de Compostela, Spain
A method capable of determining 13 PAHs (acenaphthene, anthracene, benzo[a]anthracene, benzo[a]pyrene, benzo[b]fluoranthene, benzo[k]fluoranthene, chrysene, dibenzo[ah]anthracene, fluoranthene, fluorene, indene[1,2,3-cd]pyrene, phenanthrene and pyrene) in a mixture of 16 EPA PAHs by second derivative synchronous spectrofluorometry in the constant wavelength mode was developed. It has not been possible to determine the following PAHs in the mixture: acenaphthylene, benzo[ghi]perylene and naphthalene. The approach studied allows the sensitive, rapid and inexpensive identification and quantitation of 13 PAHs in a solution of hexane. The detection limits are <1 µg L-1 (except for chrysene and phenanthrene).
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