1. Department of Science Laboratory Technology Federal University of Technology, Owerri PMB 1526 Owerri Nigeria
2. Africa Centre of Excellence in Future Energies and Electrochemical Systems Federal University of Technology Owerri Nigeria
3. Laboratory for Corrosion and Protection Institute of Metal Research Chinese Academy of Sciences 62 Wencui Road Shenyang Liaoning 110016 China
4. Department of Chemistry Abia State University Uturu Abia State
5. Department of Polymer Science Federal University of Technology Owerri Nigeria
6. Department of Chemistry Federal University of Technology Owerri Nigeria
7. Department of Chemistry Imo State University Owerri Nigeria