Ghaffar, Abdul, and Muhammad Aslam. “Optimization of Physiochemical Conditions for Removal of Copper (II) Ions from Industrial Effluents Using Various Sorbents”. Asian Journal of Chemistry 18, no. 3 (March 30, 2010): 1853–1861. Accessed November 29, 2024. https://asianpubs.org/index.php/ajchem/article/view/20888.