1. Department of Physical Sciences, Industrial Chemistry, Landmark University, P.M.B. 1001, Omu-Aran, Kwara State, Nigeria
2. Department of Industrial Chemistry, University of Ilorin, P.M.B. 1515, Ilorin, Nigeria
3. Department of Chemistry, University of Ilorin, P.M.B. 1515, Ilorin, Nigeria