1. Department of Pure and Industrial Chemistry, University of Nigeria, Nsukka, Nigeria
2. Department of Chemistry, Akwa Ibom State University, Akwa, Nigeria
3. Institute for Nanotechnology and Water Sustainability, College of Science, Engineering and Technology University of South Africa, Roodepoort, South Africa
4. Department of Applied Sciences, Galgotias College of Engineering and Technology, Greater Mohali (UP), India
5. Department of Civil Engineering, Galgotias College of Engineering and Technology, Greater Noida, India