Affiliation: | 1. Laboratory of Photochemistry and Analyse, Faculty of Science and Technology, University C.A. Diop, Dakar, Senegal;2. Laboratory OPTIMAG, EA 938, Faculty of Science and Technology, Brest University, 6 Avenue Victor Le Gorgeu, 29285 Brest Cedex, France;3. HOCER Instrumentations, 23 Bd Einstein, 44323 Nantes, France;4. Laboratory Géomatériaux et Environnement, EA 4508, Paris-Est University, 77545 Marne-la-Vallée, France |