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|Title:||Laboratory Intercomparison Study for the Analysis of Nonylphenol and Octylphenol in River Water|
|Authors:||LOOS ROBERT; WOLLGAST JAN; CASTRO JIMENEZ JAVIER; MARIANI GIULIO; HUBER TANIA; LOCORO GIOVANNI; HANKE GEORG; UMLAUF GUNTHER; BIDOGLIO GIOVANNI; HOHENBLUM P.; MOCHE Wolfgang; WEISS S.; SCHMID H.; LEIENDECKER F.; TERNES T.; NAVARRO ORTEGA A.; HILDEBRANDT A.; BARCELO Damia; LEPOM Peter; DIMITROVA I.; NITCHEVA O.; POLESELLO S.; VALSECCHI S.; BOUTRUP S.; SORTKJAER O.; DE BOER R.; STAEB J.|
|Citation:||TRAC-TRENDS IN ANALYTICAL CHEMISTRY vol. 27 no. 1 p. 89-95|
|Publisher:||ELSEVIER SCIENCE LONDON|
|Type:||Articles in periodicals and books|
|Abstract:||In support of the implementation of the European Water Framework Directive (WFD) the European Commission (EC) Joint Research Centre (JRC) organized a laboratory and sampling intercomparison study for the chemical monitoring of polyaromatic hydrocarbons (PAHs), polybrominated diphenyl ethers (PBDEs), and nonyl- and octylphenol (NP/OP), priority substances of the WFD, in river water. EU Member State laboratories were invited to analyse a standard solution with unknown concentration levels and a river water extract, as well as a real water sample from the River Po (N-Italy). For the standard solution and the river water extract good agreement was achieved for 5 laboratories. Triple quadrupole LC-MS-MS and GC-MS with or without derivatization showed to be well comparable methods for the analysis of NP and OP. Also fluorescence detection can be used to analyze NP/OP, but it is less specific. The results of the River Po water sample showed that some laboratories have problems in analyzing NP at concentration levels below 100 ng/L due to laboratory blank contamination. No plastic materials should be used during extraction and sample preparation.|
|JRC Institute:||Sustainable Resources|
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