Spectrofluorimetric Identification of Polycyclic Aromatic Hydrocarbons at PPB Level

M. Blanco Departamento de Química, Unidad de Quémica Analética, Facultad de Ciencias, Universidad Autónoma de Barcelona, E-08193, Bellaterra, Barcelona, Spain

V. Cerà Departamento de Química, Universitat de les Illes Balears, E-07071, Palma de Mallorca, Spain

J. Coello Departamento de Química, Unidad de Quémica Analética, Facultad de Ciencias, Universidad Autónoma de Barcelona, E-08193, Bellaterra, Barcelona, Spain

J. Gené Departamento de Química, Unidad de Quémica Analética, Facultad de Ciencias, Universidad Autónoma de Barcelona, E-08193, Bellaterra, Barcelona, Spain

H. Iturriaga Departamento de Química, Unidad de Quémica Analética, Facultad de Ciencias, Universidad Autónoma de Barcelona, E-08193, Bellaterra, Barcelona, Spain

S. Maspoch Departamento de Química, Unidad de Quémica Analética, Facultad de Ciencias, Universidad Autónoma de Barcelona, E-08193, Bellaterra, Barcelona, Spain

M. T. Oms Departamento de Química, Universitat de les Illes Balears, E-07071, Palma de Mallorca, Spain

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Abstract

This paper reports a method for the spectrofluorimetric identification of fourteen polycyclic aromatic hydrocarbons (PAHs) at the nanogram per mililitre level in pure samples. The total fluorescence spectrum is scanned asynchronously to record the fluorescence intensity at 15 preset excitation—emission wavelength pairs. By calculating a match index between the unknown sample and a library of standard samples, the fourteen PAHs can be correctly identified. The match index obtained was always greater than 0.95.

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Spectrofluorimetric Identification of Polycyclic Aromatic Hydrocarbons at PPB Level

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Spectrofluorimetric Identification of Polycyclic Aromatic Hydrocarbons at PPB Level

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