1. Department of Pure and Industrial Chemistry, Nnamdi Azikiwe University, Awka, Nigeria
2. Department of Chemistry, University of Agriculture and Environmental Sciences, Umuagwo, Nigeria
3. Graduate School of Science and Engineering, Saitama University, Saitama, Japan
4. Department of Biochemistry, Federal University of Technology, Owerri, Nigeria
5. Department of Pure and Industrial Chemistry, University of Nigeria, Nsukka, Nigeria
6. Department of Geology, Chukwuemeka Odumegwu Ojukwu University, Uli, Nigeria
7. Research Management Office (RMO), Chukwuemeka Odumegwu Ojukwu University, Anambra, Nigeria
8. Department of Chemical Engineering, Prince Mohammad Bin Fahd University, Al Khobar, Saudi Arabia
9. Water Research Centre, Prince Mohammad Bin Fahd University, Al Khobar, Saudi Arabia