1. Department of Industrial Chemistry, University of Ilorin, Ilorin, Nigeria
2. Department of Chemistry, University of Ilorin, Ilorin, Nigeria
3. Department of Science Laboratory Technology, The Federal Polytechnic, Ede, Nigeria
4. Chemistry Advanced Research Centre, Sheda Science and Technology Complex, Abuja, Nigeria
5. Department of Hydro & Electrometallurgy, CSIR-Institute of Minerals and Materials Technology, Bhubaneswar, India