1. Laboratoire de Chimie Analytique Bio-Inorganique et Environnement, IPREM, UMR CNRS 5254, Université de Pau et des Pays de l’Adour, Hélioparc Pau-Pyrénées, 2, avenue Pierre Angot, 64053 Pau Cedex 9, France
2. Analytical Chemistry Division, Material Measurement Laboratory, National Institute of Standards and Technology, 100 Bureau Drive, Stop 8391, Gaithersburg, Maryland, 20899, United States
3. Ultra Traces Analyses Aquitaine (UT2A), Hélioparc Pau-Pyrénées, 2, avenue Pierre Angot, 64053 Pau Cedex 9, France
4. Departamento de Química Física y Analítica, Universidad Oviedo, c/Julián Clavería, 8. E-33006, Oviedo, Spain
5. Materials and Construction Research Division, Engineering Laboratory, National Institute of Standards and Technology, 100 Bureau Drive, Stop 8615, Gaithersburg, Maryland, 20899, United States
6. CNR-OGG c/o GILDA beamline, European Synchrotron Radiation Facility, 6 rue J. Horowitz, BP 220, 38043 Grenoble, France
7. Department of Analytical Chemistry, Faculty of Pharmacy, University of the Basque Country, Vitoria-Gasteiz, Spain