Figure 7. The elution profile of U(VI), Th(IV), La(III) and Ce(III) on the resin. [Experimental conditions: Amount of the resin 1.0 gm; concentration of the solution passed: 1000 mL: 10 µg L-1; U(VI) pH 8.0: elution by 2.0 N HNO3; Th(IV): pH 4.5; elution by 2.0 N HCl; La(III): pH 5.5; elution by 1.5 N HNO3; Ce(III): pH 9.0; elution by 1.0 N HCl]

From

Solid Phase Extraction, Preconcentration and Sequential Separation of U(VI), Th(IV), La(III) and Ce(III) by Octa-O-methoxy resorcin[4]arene based Amberlite XAD-4 Chelating Resin

Keyur D. Bhatt, Disha J. Vyas, Hrishikesh S. Gupte, Bharat A. Makwana, Savan M. Darjee, Vinod K Jain

World Journal of Analytical Chemistry. 2014, 2(2), 31-41 doi:10.12691/wjac-2-2-3