Solvent extraction and separation of light rare earth elements (La, Pr and Nd) in the presence of lactic acid as a complexing agent by Cyanex 272 in kerosene and the effect of citric acid, acetic acid and Titriplex III as auxiliary agents

Effect of citric acid, acetic acid and Titriplex III in Cyanex272-HLac-HCl system a) extraction percentage b) separation factor.223