Synchronous Spectrofluorimetric Determination of Total Amounts of the Six Polycyclic Aromatic Hydrocarbons Officially Designated as Indicators of Drinking Water Quality

Author:

De Alda-Villaizan Maria J López1,García-Falcon Soma1,Lage-Yusty Maria A1,Simal-Lozano Jesús1

Affiliation:

1. Universidad de Santiago de Compostela, Facultad de Farmacia, Departamento de Química Analítica, Nutrición, and Bromatología, Area de Nutrición and Bromatología, 15706 Santiago de Compostela, Spain

Abstract

Abstract We report a quick, simple method for determination of the joint concentration of the 6 polycyclic aromatic hydrocarbons (PAHs) designated by current legislation as quality indicators for drinking water and for surface waters destined for use as drinking water. Water samples are extracted with hexane, and total indicator PAH concentration is determined by synchronous spectrofluorimetry (optimal instrumental parameters are reported). The detection limit (5.0 ng/L), quantitation limit (8.4 ng/L), precision (coefficient of variation, 3.8%), and accuracy (recovery, 77%) were well within the legal bounds for reference methods.

Publisher

Oxford University Press (OUP)

Subject

Pharmacology,Agronomy and Crop Science,Environmental Chemistry,Food Science,Analytical Chemistry

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