Development of a reference measurement procedure for the determination of methylmercury in fish products |
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Authors: | Sébastien Sannac Paola Fisicaro Guillaume Labarraque Florence Pannier Martine Potin-Gautier |
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Institution: | (1) Laboratoire national de métrologie et d’essais (LNE), 1 rue Gaston Boissier, 75015 Paris, France;(2) Laboratoire de Chimie Analytique, Bio-Inorganique et Environnement (UMR 5254 IPREM), Université de Pau et des Pays de l’Adour/CNRS, Hélioparc, 2 av. Pierre Angot, 64053 Pau, France |
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Abstract: | The development of an analytical procedure for speciation analysis of methylmercury in fish products is presented. The method
is based on high-performance liquid chromatography hyphenated to inductively coupled plasma-mass spectrometry. The metrological
approach is stressed out in this paper, in order to provide reliable and comparable results. A complete uncertainty budget
has been evaluated and the method has been validated by the use of a certified reference material. Moreover, the detection
could rely on the isotope dilution mass spectrometry, a powerful strategy capable of highly accurate results traceable to
the “Système International d’Unités” and recognised by the “Comité Consultatif pour la Quantité de Matière” as a primary method
of measurement.
Presented at MEFNM 2008, September 2008, Budapest, Hungary. |
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Keywords: | Speciation analysis Methylmercury Species-specific isotope dilution |
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