Abstract
Rapid radioanalytical methods are adversely affected by many different sample-matrix interferences, which make analyzing samples a difficult and time consuming process. A new method for preparing radioactive samples for analysis by alpha spectrometry has been demonstrated. In this technique, a selective extractive ligand is immobilized in a polymer film coated on a metal surface. This polymer ligand film is then used to extract plutonium and other radioactive analytes from solution over a short period of time. The prepared substrate is then counted directly by alpha spectroscopy in a small single detector alpha spectrometer. The method has been demonstrated for the analysis of americium and plutonium in liquid samples such as water and urine.
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Acknowledgments
The authors thank Donivan Porterfield, Alex Plionis, and David Hobart of Los Alamos National Laboratory for useful comments and discussions, and Jaclyn Herrera for assistance preparing the figures. 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 publication is LAUR-09-4005.
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Gonzáles, E.R., Peterson, D.S. Rapid radiochemical sample preparation for alpha spectrometry using polymer ligand films. J Radioanal Nucl Chem 282, 543–547 (2009). https://doi.org/10.1007/s10967-009-0218-0
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DOI: https://doi.org/10.1007/s10967-009-0218-0