Opara IJ, Nicholas E-OS, Umama OA. Sustainable removal of chromium (III) from water using highly efficient magnetic biochar derived from Sawdust. Am J Chem [Internet]. 2026 Jun. 1 [cited 2026 Jun. 8];11(1):1-12. Available from: http://onlinesciencepublishing.com/index.php/ajc/article/view/1837