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Title: | Determination of pesticides and their degradation products in soil: critical review and comparison of methods |
Authors: | Andreu Pérez, V. CSIC ORCID ; Picó, Yolanda | Keywords: | Solid-phase microextraction Chromatography-mass spectrometry Microwave-assisted extraction Performance liquid-Chromatography Supercritical-fluid extraction Chlorophenoxy acid herbicides Gas-chromatography Solvent-extraction Water extraction UV detection |
Issue Date: | Nov-2004 | Publisher: | Elsevier | Citation: | Trends in Analytical Chemistry 23(10-11): 772-789 (2004) | Abstract: | Pesticides are applied widely to protect plants from disease, weeds and insect damage, and usually come into contact with soil, where they undergo a variety of transformations that provide a complex pattern of metabolites. This article reviews the most relevant analytical methods for determining pesticides and their transformation products in soils. We address some recent advances in sampling and sample-preparation technologies for soil analysis. We discuss and critically evaluate procedures, such as liquid extraction methods (pressurized liquid extraction or microwave-assisted extraction) and solid-phase based methods (headspace solid-phase microextraction, solid-phase microextraction or matrix-solid-phase dispersion). Analysis of pesticides is generally carried out by gas chromatography (GC) or liquid chromatography (LC) coupled to different detectors, especially to mass spectrometers (MSs). However, alternative and/or complementary methods, using capillary electrophoresis (CE), biosensors and bioassays have emerged recently. We also consider the advantages and the disadvantages of the various methodologies. | Description: | 18 páginas, 5 figuras, 5 tablas. | Publisher version (URL): | http://dx.doi.org/10.1016/j.trac.2004.07.008 | URI: | http://hdl.handle.net/10261/31555 | DOI: | 10.1016/j.trac.2004.07.008 | ISSN: | 0165-9936 |
Appears in Collections: | (CIDE) Artículos |
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