Chimbilima, Y., Dadi, M. and Ahmad, T. 2026. Adsorption of copper ions onto acid-modified Aframomum africanum shell: Isotherm and kinetic studies: Scientific paper. Journal of the Serbian Chemical Society. 91, 6 (Jul. 2026), 631–647. DOI:https://doi.org/10.2298/JSC250603010C.