Shabany, M., Ali Mohammad Haji Shabani, Shayessteh Dadfarnia, Alireza Gorji, and Seyyed Hamid Ahmadi. 2008. “Solid Phase Extraction of Zinc With Octadecyl Silica Membrane Disks Modified by N,N’-Disalicylidene-1,2-Phenylendiamine and Determination by Flame Atomic Absorption Spectrometry”. Eclética Química 33 (2):61-66. https://doi.org/10.26850/1678-4618eqj.v33.2.2008.p61-66.