Abstract
Eichrom’s Pb resin, a crown-ether-based extraction chromatography resin, was characterized for separation of the flerovium (Fl) homologs, Pb and Sn. Batch uptake of Pb(II) and Sn(IV) radionuclides was determined from an HNO3 matrix. Pb(II) was strongly retained on the resin at all HNO3 concentrations, while Sn(IV) showed no uptake. Extraction kinetics for Pb(II) were examined and show suitable uptake on the second time scale. Separation methods for the isolation of individual homologs, Pb(II) and Sn(IV), have been established using 2 mL pre-packed vacuum flow Pb resin columns.
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Acknowledgments
The authors would like to thank the CAMS facility staff at LLNL, specifically Scott Tumey, Thomas Brown and Graham Bench for providing beam time and expertise to the production of radionuclides used in this study. This study was performed under the auspices of the U.S. Department of Energy by Lawrence Livermore National Laboratory under Contract DE-AC52-07NA27344. This work was funded by the Laboratory Directed Research and Development Program at LLNL under Project tracking code 11-ERD-011, as well as by the LLNL Livermore Graduate Scholar Program.
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Despotopulos, J.D., Kmak, K.N., Gharibyan, N. et al. Characterization of the homologs of flerovium with crown ether based extraction chromatography resins: studies in nitric acid. J Radioanal Nucl Chem 311, 649–653 (2017). https://doi.org/10.1007/s10967-016-5038-4
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DOI: https://doi.org/10.1007/s10967-016-5038-4