Mirabi, A., and A. Fasamanesh. “Application of a New Modified Nano Alumina As a Sorbent for Preconcentration and Determination of Cobalt Ions in Food and Environmental Water Samples Prior to Flame Atomic Absorption Spectroscopy”. Asian Journal of Chemistry 24, no. 8 (April 17, 2012): 3420–3424. Accessed August 26, 2024. https://asianpubs.org/index.php/ajchem/article/view/9385.