Soleimani, Majid, et al. “Separation and Simultaneous Determination of Pb(II) and UO2(II) Using a Ligand Containing Mobile Phase in Reversed-Phase High Performance Liquid Chromatography”. Asian Journal of Chemistry, vol. 23, no. 6, Mar. 2011, pp. 2437-40, https://asianpubs.org/index.php/ajchem/article/view/10413.