Inter-laboratory exercise on steroid estrogens in aqueous samples
2010
Heath, Ester | Kosjek, T. | Andersen, H.R. | Holten Lützhoft, H.C. | Adolfson Erici, M. | Coquery, Marina | Düring, R.A. | Gans, O. | Guignard, C. | Karlsson, P. | Manciot, F. | Moldovan, Z. | Patureau, Dominique | Cruceru, L. | Sacher, F. | Ledin, L. | Jozef Stefan Institute [Ljubljana] (IJS) | Department of Environmental Engineering ; Danmarks Tekniske Universitet = Technical University of Denmark (DTU) | Stockholm University | Qualité des eaux et prévention des pollutions (UR QELY) ; Centre national du machinisme agricole, du génie rural, des eaux et forêts (CEMAGREF) | Justus-Liebig-Universität Gießen = Justus Liebig University (JLU) | Umweltbundesamt | Centre de Recherche Public - Gabriel Lippmann (LUXEMBOURG) | Lantmannen Analycen AB ; Partenaires INRAE | CAE | Mass Spectrometry Department | Laboratoire de Biotechnologie de l'Environnement [Narbonne] (LBE) ; Institut National de la Recherche Agronomique (INRA)-Institut national d’études supérieures agronomiques de Montpellier (Montpellier SupAgro) | University of Bucharest (UniBuc) | Water Technology Center
International audience
Show more [+] Less [-]English. An inter-laboratory comparison exercise was organized among European laboratories, under the aegis of EU COST Action 636: "Xenobiotics in Urban Water Cycle" The objective was to evaluate the performance of testing laboratories determining "Endocrine Disrupting Compounds" (EDC) in various aqueous matrices. As the main task three steroid estrogens. 17 alpha-ethinylestradiol, 17 beta-estradiol and estrone were determined in four spiked aqueous matrices' tap water, river water and wastewater treatment plant influent and effluent using GC-MS and LC-MS/MS Results were compared and discussed according to the analytical techniques applied, the accuracy and reproducibility of the analytical methods and the nature of the sample matrices. Overall, the results obtained in this inter-laboratory exercise reveal a high level of competence among the participating laboratories for the detection of steroid estrogens in water samples indicating that GC-MS as well as LC-MS/MS can equally be employed for the analysis of natural and synthetic hormones.
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