1. Laboratoire
de Chimie physique Macromoléculaire, BP 1524 Université d Oran1 Ahmed Benbella, 31000 Oran, Algeria
2. Department
of Analytical Chemisty, Institute of Fine Chemistry and Nanochemistry,
Marie Curie Building (Annex), Campus of Rabanales, University of Córdoba, 14071 Córdoba, Spain
3. Département
de Physique-Chimie, Ecole Nationale Polytechnique d’Oran, B.P. 1523 El M’Nanouer, 31000, Oran, Algeria