Chiririwa, Haleden, Thabo Matthews, Bothwell Nyoni, Stephen Majoni, and Bobby Naidoo. “Adsorption of Lead and Copper by Carbon Black and Sodium Bentonite Composite Material: A Study on Adsorption Isotherms and Kinetics”. Asian Journal of Chemistry 29, no. 12 (October 31, 2017): 2761–2766. Accessed November 25, 2024. https://asianpubs.org/index.php/ajchem/article/view/29_12_36.