1. University of Poitiers-UMR 7285 IC2MP, HydrASA, Bât. 35, 4 rue Michel Brunet, 86022 Poitiers cedex, France
2. AREVA, Mines Business Group, Research and & Development Department, 1 place Jean Millier, 92084 Paris La Defense, France
3. ICSM, UMR 5257 CEA/CNRS/UM2/ENSCM, Site de Marcoule, Bât. 426, BP 17171, 30207 Bagnols sur Cèze cedex, France