[1] Inst Charles Gerhardt, CNRS, Ecole Natl Super Chim Montpellier, UMR 5253, 8 Rue Ecole Normale, F-34296 Montpellier 05, France
[2] Southwest Petr Univ, State Key Lab Oil & Gas Reservoir Geol & Exploita, Chengdu 610500, Sichuan, Peoples R China
[3] Univ Montpellier, CNRS, Inst Europeen Membranes, ENSCM,UMR 5635, F-34095 Montpellier 5, France