Figure 2. Effect of pH on the sorption of U(VI), Th(IV), La(III) and Ce(III) by octa-O-methoxy resorcin[4]arene Amberlite XAD-4 polymeric chelating resin. [Experimental conditions: Amount of resin in column: 1.0 gm, concentration of metal ions: 10 μg mL-1; U(VI): pH: 8.0; Th(IV): pH: 4.5; La(III): pH: 5.5; Ce(III): pH: 9.0]

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