1. Multiresidue method for the determination of 13 pesticides in three environmental matrices: water, sediments and fish muscle.
- Author
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Lazartigues A, Fratta C, Baudot R, Wiest L, Feidt C, Thomas M, and Cren-Olivé C
- Subjects
- Acetamides analysis, Acetamides isolation & purification, Aminoimidazole Carboxamide analogs & derivatives, Aminoimidazole Carboxamide analysis, Aminoimidazole Carboxamide isolation & purification, Animals, Benzimidazoles analysis, Benzimidazoles isolation & purification, Carbamates analysis, Carbamates isolation & purification, Chemical Fractionation methods, Chromatography, Liquid methods, Environmental Monitoring methods, Fishes, Hydantoins analysis, Hydantoins isolation & purification, Isoxazoles analysis, Isoxazoles isolation & purification, Methacrylates analysis, Methacrylates isolation & purification, Naphthalenes analysis, Naphthalenes isolation & purification, Niacinamide analogs & derivatives, Niacinamide analysis, Niacinamide isolation & purification, Oxazolidinones analysis, Oxazolidinones isolation & purification, Pesticide Residues isolation & purification, Pesticides isolation & purification, Phenylurea Compounds analysis, Phenylurea Compounds isolation & purification, Propionates, Pyrimidines analysis, Pyrimidines isolation & purification, Quinoxalines, Reproducibility of Results, Solid Phase Extraction methods, Strobilurins, Sulfonylurea Compounds analysis, Sulfonylurea Compounds isolation & purification, Tandem Mass Spectrometry methods, Thiophenes, Water Pollutants, Chemical isolation & purification, Geologic Sediments chemistry, Muscles chemistry, Pesticide Residues analysis, Pesticides analysis, Water Pollutants, Chemical analysis
- Abstract
Pesticides residues in aquatic ecosystems are an environmental concern which requires efficient analytical methods. In this study, we proposed a generic method for the quantification of 13 pesticides (azoxystrobin, clomazone, diflufenican, dimethachlor, carbendazim, iprodion, isoproturon, mesosulfuron-methyl, metazachlor, napropamid, quizalofop and thifensulfuron-methyl) in three environmental matrices. Pesticides from water were extracted using a solid phase extraction system and a single solid-liquid extraction method was optimized for sediment and fish muscle, followed by a unique analysis by liquid chromatography coupled with tandem mass spectrometry (LC-MS/MS). Limits of quantification were below 5 ng L(-1) for water (except for fluroxypyr and iprodion) and ranged between 0.1 ng g(-1) and 57.7 ng g(-1) for sediments and regarding fish, were below 1 ng g(-1) for 8 molecules and were determined between 5 and 49 ng g(-1) for the 5 other compounds. This method was finally used as a new routine practice for environmental research., (Copyright © 2011 Elsevier B.V. All rights reserved.)
- Published
- 2011
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