1. Kinetic and isotherm studies of copper (II) Removal from wastewater using various adsorbents;Abdelwahab;Egyptian Journal of Aquatic Research,2007
2. Removal of copper(II) ions from aqueous solution by biosorption onto agricultural waste sugar beet pulp;Aksu;Process Biochemistry,2005
3. Andal, N., Sakthia, M. V., 2010. A Comparative Study on the Sorption Characteristics of Pb(II) and Hg(II) onto Activated Carbon. E-Journal of Chemistry 7, 967-74.
4. Capillary and colloid chemistry. By Prof. H. Freundlich. Translated by H. Stafford Hatfield, B.Sc., Ph.D. pp. xv+883. London, Methuen and Co., Ltd., 1926. Price, 50s;Clayton;Journal of the Society of Chemical Industry,1926
5. Adsorption – from theory to practice;Dabrowski;Advances in Colloid and Interface Science,2001