Multi-residue analysis of emerging pollutants in sediment using QuEChERS-based extraction followed by LC-MS/MS analysis |
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Authors: | Alexandra Berlioz-Barbier Antoine Vauchez Laure Wiest Robert Baudot Emmanuelle Vulliet Cécile Cren-Olivé |
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Institution: | 1. Université de Lyon-Institut des Sciences Analytiques, UMR 5280 CNRS-Equipe TRACES, Université Lyon1, ENS-Lyon - 5 rue de la Doua, 69100, Villeurbanne, France
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Abstract: | Emerging contaminants are suspected to cause adverse effects in humans and wildlife. Aquatic ecosystems are continuously contaminated by agricultural and industrial sources. To establish a causality relationship between the occurrence of contaminants in the environment and disease, experiments including all environmental matrices must be performed. Consequently, the current analytical tools must be improved. A new multi-residue method for analysing 15 emerging pollutants in sediments based on the Quick, Easy, Cheap, Effective, Rugged and Safe approach is reported. The development of such a multirisque, inter-family method for sediment including pharmaceuticals, pesticides, personal care products and plasticizers is reported for the first time. The procedure involves salting-out liquid–liquid extraction using acetonitrile and clean-up with dispersive solid phase extraction, followed by liquid chromatography coupled with tandem mass spectrometry. The validated analytical procedure exhibited recoveries between 40 and 98 % for every target compound. This methodology facilitated the determination of pollutant contents at nanogram-per-gram concentrations. Figure ? |
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