Abstract

Some limitations of the analytical method for the determination of polynuclear aromatic hydrocarbons (PAH) in water have led the authors to study the quantitative application of low-temperature spectrofluorimetry as a rapid routine method for the screening of benzo( a)pyrene (B aP) in the aquatic environment. Experiments on the technique of recovery of B aP from distilled water samples utilizing liquid-liquid extraction have given good results; trials concerned with evaluation of any quenching effects on B aP by other PAH and with the applicability to real water samples (river, rain and drinking waters) have shown the promise of this method for screening analysis of environmental waters. The reproducibility of the method is adequate and the required time of total analysis is very short, especially for drinking water samples.

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