Selective separation of uranium using trimethylammonium acetosalycoylhydrazone modified Duolite C20 resin

摘要: Duolite C20 resin modified with trimethylammonium acetosalycoylhydrazone has been developed, for the selective separation and/or preconcentration of uranium. The was characterized by elemental analysis and infrared spectra. Batch column modes were applied. newly designed quantitatively sorbs uranium ion at pH 3 when flow rate equals to 2 ml . min -1 sorption capacity 0.750 mmol g-1 ion, whereas its factor 200. lower limit detection 5 ng ml-1 desorption effective mol l-1 HCl or HNO3 prior spectrophotometry. highly ion-selective in nature even presence large concentrations electrolyte organic media, a preconcentrating ability ion. tested on utility synthetic, real certified ore samples, showed RSD values