Multi-Element Determination of Trace Elements in Natural Water Reference Materials by ICP-SFMS after Tm Addition and Iron Co-precipitation

Type Article
Date 2011-03
Language English
Author(s) Bayon Germain1, Birot Dominique1, Bollinger Claire2, 3, Barrat Jean Alix2, 3
Affiliation(s) 1 : IFREMER, Dept Geosci Marines, F-29280 Plouzane, France.
2 : Univ Europeenne Bretagne, F-35000 Rennes, France.
3 : Univ Brest, CNRS, IUEM, UMR6538, F-29280 Plouzane, France.
Source Geostandards And Geoanalytical Research (1639-4488) (Wiley-blackwell Publishing, Inc), 2011-03 , Vol. 35 , N. 1 , P. 145-153
DOI 10.1111/j.1751-908X.2010.00064.x
WOS© Times Cited 35
Keyword(s) seawater, reference material, ICP-MS, trace elements, rare earth elements, eau de mer, materiau de reference, ICP-MS, elements traces, Terres Rares
Abstract We report on an improved method for determining trace element abundances in seawater and other natural waters. The analytical procedure involves co-precipitation on iron hydroxides after addition of a Tm spike, and measurement by inductively coupled plasma-sector field mass spectrometry (ICP-SFMS). The validity of the method was assessed through a series of co-precipitation experiments, using ultra-diluted solutions of a certified rock reference material (BIR-1). Results obtained for four natural water reference materials (NASS-5, CASS-4, SLEW-3, SLRS-4) are in agreement with published working values for rare earth elements, yttrium, vanadium and, when available, for hafnium, zirconium, thorium and scandium. A set of proposed values with uncertainties typically better than 8% RSD is proposed for Hf, Zr and Th.Nous presentons une methode revisee pour la determination des teneurs en elements traces dans l'eau de mer et autres eaux naturelles. Notre procedure analytique implique la co-precipitation sur des hydroxydes de Fer, apres ajout d'un spike de Tm, et la mesure par spectrometrie de masse a secteur magnetique couplee a une source a plasma induit (ICP-SFMS). La validite de la methode a ete testee en realisant une serie d'experimentations de co-precipitation, a l'aide de solutions ultra-diluees d'un materiau de reference geologique certifie (BIR-1). Les resultats obtenus pour quatre materiaux de references d'eaux naturelles (NASS-5, CASS-4, SLEW-3, SLRS-4) sont en accord avec les valeurs de travail publiees dans la litterature pour les Terres Rares, Yttrium, Vanadium et, lorsqu'elles sont presentes, pour Hafnium, Zirconium, Thorium et Scandium. Des valeurs de reference avec des incertitudes inferieures a 8% CV sont proposees pour Hf, Zr et Th.
Full Text
File Pages Size Access
9 466 KB Access on demand
Author's final draft 20 160 KB Open access
Top of the page