An approach to separating Pu, U, and Ti from high-purity graphite for isotopic analysis by MC-ICP-MS
Abstract
Information about elemental and isotopic systematics of ultra-trace level actinides (e.g. U and Pu) and main group elements (e.g. Ti) present within nuclear grade graphite is vital to the nuclear community for improved reactor operation and security. In support of this, extensive effort has been placed on improving analysis methods (i.e., inductively coupled plasma-mass spectrometry). However, significantly less effort has been devoted to the optimization of chemical separation methods. Within the separation community, commercially available Eichrom™ resins are often employed, as their elution characteristics for various elements have been well studied, but the direct optimization of actinides and trace metal separations from a single sample have not been widely investigated. Here, methods using various Eichrom pre-packed cartridges were explored to achieve separation of ultra-trace levels of U, Pu, and Ti from a variety of graphite samples. Once the validity of the combined separation scheme was established using certified reference materials, the method was applied to historic, unirradiated and irradiated, graphite samples. For all samples investigated, precise isotope ratio measurements for the titanium isotope systems were made.
- Authors:
-
[1];
[1];
[1];
[1];
[1];
[1];
[1];
[1];
[1]
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Chemical Sciences Div.
- Publication Date:
- Research Org.:
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Sponsoring Org.:
- USDOE National Nuclear Security Administration (NNSA)
- OSTI Identifier:
- 1785216
- Alternate Identifier(s):
- OSTI ID: 1779990
- Grant/Contract Number:
- AC05-00OR22725
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of Analytical Atomic Spectrometry
- Additional Journal Information:
- Journal Volume: 36; Journal ID: ISSN 0267-9477
- Publisher:
- Royal Society of Chemistry
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS; Uranium; Plutonium; Titanium; MC-ICP-MS; Graphite; Separations
Citation Formats
Metzger, Shalina, Manard, Benjamin, Bostick, Debra, Ticknor, Brian, Rogers, Kayron, Mcbay, Eddie, Glasgow, David, Zirakparvar, N, and Hexel, Cole. An approach to separating Pu, U, and Ti from high-purity graphite for isotopic analysis by MC-ICP-MS. United States: N. p., 2021.
Web. doi:10.1039/D1JA00079A.
Metzger, Shalina, Manard, Benjamin, Bostick, Debra, Ticknor, Brian, Rogers, Kayron, Mcbay, Eddie, Glasgow, David, Zirakparvar, N, & Hexel, Cole. An approach to separating Pu, U, and Ti from high-purity graphite for isotopic analysis by MC-ICP-MS. United States. https://doi.org/10.1039/D1JA00079A
Metzger, Shalina, Manard, Benjamin, Bostick, Debra, Ticknor, Brian, Rogers, Kayron, Mcbay, Eddie, Glasgow, David, Zirakparvar, N, and Hexel, Cole. Mon .
"An approach to separating Pu, U, and Ti from high-purity graphite for isotopic analysis by MC-ICP-MS". United States. https://doi.org/10.1039/D1JA00079A. https://www.osti.gov/servlets/purl/1785216.
@article{osti_1785216,
title = {An approach to separating Pu, U, and Ti from high-purity graphite for isotopic analysis by MC-ICP-MS},
author = {Metzger, Shalina and Manard, Benjamin and Bostick, Debra and Ticknor, Brian and Rogers, Kayron and Mcbay, Eddie and Glasgow, David and Zirakparvar, N and Hexel, Cole},
abstractNote = {Information about elemental and isotopic systematics of ultra-trace level actinides (e.g. U and Pu) and main group elements (e.g. Ti) present within nuclear grade graphite is vital to the nuclear community for improved reactor operation and security. In support of this, extensive effort has been placed on improving analysis methods (i.e., inductively coupled plasma-mass spectrometry). However, significantly less effort has been devoted to the optimization of chemical separation methods. Within the separation community, commercially available Eichrom™ resins are often employed, as their elution characteristics for various elements have been well studied, but the direct optimization of actinides and trace metal separations from a single sample have not been widely investigated. Here, methods using various Eichrom pre-packed cartridges were explored to achieve separation of ultra-trace levels of U, Pu, and Ti from a variety of graphite samples. Once the validity of the combined separation scheme was established using certified reference materials, the method was applied to historic, unirradiated and irradiated, graphite samples. For all samples investigated, precise isotope ratio measurements for the titanium isotope systems were made.},
doi = {10.1039/D1JA00079A},
journal = {Journal of Analytical Atomic Spectrometry},
number = ,
volume = 36,
place = {United States},
year = {Mon Apr 19 00:00:00 EDT 2021},
month = {Mon Apr 19 00:00:00 EDT 2021}
}
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