Comparative study on Ce (III) and La (III) solvent extraction and separation from a nitric acid medium by D2EHPA and Cyanex272R. Habibpour, M. Dargahi, E. Kashi and M. BagherpourMetall. Res. Technol., 115 2 (2018) 207DOI: https://doi.org/10.1051/metal/2017083