Nd and Sm isotopic composition of spent nuclear fuels from three material test reactors

Nicholas Sharp; Brian W. Ticknor; Michael Bronikowski; Theodore Nichols; William F. McDonough; Alice Mignerey; Donna Beals

doi:10.1007/s10967-016-5099-4

Nd and Sm isotopic composition of spent nuclear fuels from three material test reactors

Nicholas Sharp, Brian W. Ticknor, Michael Bronikowski, Theodore Nichols, William F. McDonough, Alice Mignerey, Donna Beals

Chemical & Isotopic Mass Spectrometry

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

Rare earth elements such as neodymium and samarium are ideal for probing the neutron environment that spent nuclear fuels are exposed to in nuclear reactors. The large number of stable isotopes can provide distinct isotopic signatures for differentiating the source material for nuclear forensic investigations. The rare-earth elements were isolated from the high activity fuel matrix via ion exchange chromatography in a shielded cell. The individual elements were then separated using cation exchange chromatography. The neodymium and samarium aliquots were analyzed via MC–ICP–MS, resulting in isotopic compositions with a precision of 0.01–0.3%.

Original language	English
Pages (from-to)	801-808
Number of pages	8
Journal	Journal of Radioanalytical and Nuclear Chemistry
Volume	311
Issue number	1
DOIs	https://doi.org/10.1007/s10967-016-5099-4
State	Published - Jan 1 2017

Keywords

Chromatography
Multi-collector inductively-coupled plasma mass spectrometry
Nd and Sm isotopic ratios
Nuclear forensics
Spent nuclear fuel

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10.1007/s10967-016-5099-4

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title = "Nd and Sm isotopic composition of spent nuclear fuels from three material test reactors",

abstract = "Rare earth elements such as neodymium and samarium are ideal for probing the neutron environment that spent nuclear fuels are exposed to in nuclear reactors. The large number of stable isotopes can provide distinct isotopic signatures for differentiating the source material for nuclear forensic investigations. The rare-earth elements were isolated from the high activity fuel matrix via ion exchange chromatography in a shielded cell. The individual elements were then separated using cation exchange chromatography. The neodymium and samarium aliquots were analyzed via MC–ICP–MS, resulting in isotopic compositions with a precision of 0.01–0.3%.",

keywords = "Chromatography, Multi-collector inductively-coupled plasma mass spectrometry, Nd and Sm isotopic ratios, Nuclear forensics, Spent nuclear fuel",

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AU - Sharp, Nicholas

AU - Ticknor, Brian W.

AU - Bronikowski, Michael

AU - Nichols, Theodore

AU - McDonough, William F.

AU - Mignerey, Alice

AU - Beals, Donna

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AB - Rare earth elements such as neodymium and samarium are ideal for probing the neutron environment that spent nuclear fuels are exposed to in nuclear reactors. The large number of stable isotopes can provide distinct isotopic signatures for differentiating the source material for nuclear forensic investigations. The rare-earth elements were isolated from the high activity fuel matrix via ion exchange chromatography in a shielded cell. The individual elements were then separated using cation exchange chromatography. The neodymium and samarium aliquots were analyzed via MC–ICP–MS, resulting in isotopic compositions with a precision of 0.01–0.3%.

KW - Chromatography

KW - Multi-collector inductively-coupled plasma mass spectrometry

KW - Nd and Sm isotopic ratios

KW - Nuclear forensics

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Nd and Sm isotopic composition of spent nuclear fuels from three material test reactors

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