1. Academy of Scientific and Innovative Research (AcSIR)New Delhi India
2. Cellulose Pulp and Paper Group, Material Sciences and Technology DivisionCSIR‐North East, Institute of Science and TechnologyJorhat Assam785006 India
3. Laboratoire de Thermodynamique et de Physico‐Chimie du Milieu, UFR‐SFA, Université Nangui AbrogouaAbidjan02 02 BP 801 Côte d'Ivoire