Résumé :
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The books covers a critical compilation of analytical methods used for the monitoring pf pesticides and their degradation products in water. the book is structured in six chapters, beginning with general aspects of pesticides such as usage, physicochemical parameters and occurence in the environment. the second chapter is devoted to sampling from water matrices, stability methods of pesticides in water using advanced protocols such as solid phase extraction materials and quality assurance issues. the general chromatographic methods for pesticides are reported, including the newly developed electrophoresis methods. gc-ms and lc-ms are used as confirmatory analytical methods but their increasing use as quantitative analytical techniques is also emphasized. sample preparation methodologies, including off-line and on-line techniques, are described in the next two chapters, with a comprehensive list of examples of pesticides and many metabolites, including the use of different gc-based methods and lc-based-methods. the final chapter is devoted to the development of biological techniques that can be used in most cases without any sample pre-treatment and so are useful as early warning methods. the use of immunoassays, also called elisa, which have been widely applied in monitoring programs, mainly in the us and scarcely in europe, and biosensors, are described and a broad list of examples from the recent literature is reported. overall, the book answers one of the key problems in pesticide analysis : the diversity of chemical functional groups with varying polarity and physicochemical properties.
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