Institution: | 1.Institute of Chemical & Biotechnology, Vaal University of Technology, Southern Gauteng Science and Technology Park, Sebokeng Campus, Vanderbijlpark, 1983, South Africa ;2.Department of Chemistry, Vaal University of Technology, Vanderbijlpark Campus, Vanderbijlpark, South Africa ;3.School of Chemical and Minerals Engineering, Faculty of Engineering, North West University, Potchefstroom Campus, Potchefstroom, South Africa ;4.Department of Chemical Sciences, University of Johannesburg, Doornfontein, Johannesburg, 2028, South Africa ; |