Synthesis and characterization of copper loaded activated carbon nanocomposite: Adsorption of Rhodamine B in aqueous solution. Vietnam j. catal. adsorp. [Internet]. 2025 Apr. 1 [cited 2026 Jan. 13];14(1):10-4. Available from: https://jca.edu.vn/index.php/jca/article/view/2025.003