*S. Arivoli 2T. R. 1. “Adsorption of Fe (III) Ions by Activated Calcite Powder - Equilibrium, Kinetic and Thermodynamics Studies”. Journal of Biomedical and Pharmaceutical Research, Vol. 2, no. 1, Feb. 2013, http://www.jbpr.in/index.php/jbpr/article/view/440.