Abstract
Glass or silicon substrates functionalized with a monolayer of carbamoylmethylphosphonate (CMP) ligands effectively bind tetravalent actinides from optimized mineral acid solutions to enable rapid, high quality radiometric assay by alpha spectrometry. The observed alpha spectra compare favorably with the highest quality electroplated samples. The CMP-functionalized surfaces have been used to develop simplified analytical methods to determine plutonium from complex mixtures.
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Acknowledgment
We thank Mr. George H. Brooks, Jr. for his encouragement in this work and the Defense Threat Reduction Agency and the NNSA Office of National Technical Nuclear Forensics (NA-45) for financial support. This information has been authored by employees of the Los Alamos National Security, LLC. (LANS), operator of the Los Alamos National Laboratory under Contract No. DE-AC52-06NA25396 with the U.S. Department of Energy.
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Oldham, W.J., Dry, D.E. & Mueller, A.H. Synthesis of functional monolayer surfaces for rapid radiometric determination of plutonium. J Radioanal Nucl Chem 282, 585–589 (2009). https://doi.org/10.1007/s10967-009-0243-z
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DOI: https://doi.org/10.1007/s10967-009-0243-z