Abstract
This paper describes a new analyte extraction technique using polymer ligand film (PLF). PLFs were synthesized to perform direct sorption of analytes onto its surface for direct counting using alpha spectroscopy. The main focus of the new technique is to shorten and simplify the procedure for chemically isolating radionuclides for determination through a radiometric technique. 4′(5′)-di-t-butylcyclohexano 18-crown-6 (DtBuCH18C6) and 2-ethylhexylphosphonic acid (HEH[EHP]) were examined for plutonium extraction. Di(2-ethyl hexyl) phosphoric acid (HDEHP) were examined for plutonium and uranium extraction. DtBuCH18C6 and HEH[EHP] were not effective in plutonium extraction. HDEHP PLFs were effective for plutonium but not for uranium.
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Acknowledgments
This research was performed with the support of the U.S. Departments of Energy Office of Nuclear Nonproliferation Research and Development and U.S. Department of Defense’s Defense Threat Reduction Agency. The authors also gratefully acknowledge the support from the Nuclear Forensics Graduate Fellowship Program which is sponsored by the U.S. Department of Homeland Security’s Domestic Nuclear Detection Office and the U.S. Department of Defense’s Defense Threat Reduction Agency. Los Alamos National Laboratory is operated by Los Alamos National Security, LLC for the U.S. Department of Energy under contract number DE-AC52-06NA25396. This document had been reviewed and assigned publication number: LA-UR-14-27688 Version 4.
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Rim, J.H., Peterson, D.S., Armenta, C.E. et al. Evaluating ligands for use in polymer ligand film (PLF) for plutonium and uranium extraction. J Radioanal Nucl Chem 305, 193–198 (2015). https://doi.org/10.1007/s10967-015-4118-1
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DOI: https://doi.org/10.1007/s10967-015-4118-1