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Title: Isotopic fractionation studies of uranium and plutonium using porous ion emitters as thermal ionization mass spectrometry sources

Abstract

Investigations of the isotope fractionation behaviors of plutonium and uranium reference standards were conducted employing platinum and rhenium (Pt/Re) porous ion emitter (PIE) sources, a relatively new thermal ionization mass spectrometry (TIMS) ion source strategy. The suitability of commonly employed, empirically developed mass bias correction laws (i.e., the Linear, Power, and Russell's laws) for correcting such isotope ratio data was also determined. Corrected plutonium isotope ratio data, regardless of mass bias correction strategy, were statistically identical to that of the certificate, however, the process of isotope fractionation behavior of plutonium using the adopted experimental conditions was determined to be best described by the Power law. Finally, the fractionation behavior of uranium, using the analytical conditions described herein, is also most suitably modeled using the Power law, though Russell's and the Linear law for mass bias correction rendered results that were identical, within uncertainty, to the certificate value.

Authors:
 [1];  [2];  [1];  [1]
  1. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  2. Univ. of Tennessee, Knoxville, TN (United States). Dept. of Nuclear Engineering
Publication Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA), Office of Defense Nuclear Nonproliferation; LANL Laboratory Directed Research and Development (LDRD) Program; Dept. of Homeland Security (DHS) (United States)
OSTI Identifier:
1435524
Report Number(s):
LA-UR-17-29068
Journal ID: ISSN 1387-3806
Grant/Contract Number:  
AC52-06NA25396; 2012-DN-130-NF0001-02
Resource Type:
Accepted Manuscript
Journal Name:
International Journal of Mass Spectrometry
Additional Journal Information:
Journal Volume: 430; Journal ID: ISSN 1387-3806
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
07 ISOTOPE AND RADIATION SOURCES; thermal ionization mass spectrometry (TIMS); porous ion emitter (PIE); isotopic fractionation; uranium; plutonium; nuclear forensics

Citation Formats

Baruzzini, Matthew L., Hall, Howard L., Spencer, Khalil J., and Stanley, Floyd E. Isotopic fractionation studies of uranium and plutonium using porous ion emitters as thermal ionization mass spectrometry sources. United States: N. p., 2018. Web. doi:10.1016/j.ijms.2018.04.004.
Baruzzini, Matthew L., Hall, Howard L., Spencer, Khalil J., & Stanley, Floyd E. Isotopic fractionation studies of uranium and plutonium using porous ion emitters as thermal ionization mass spectrometry sources. United States. https://doi.org/10.1016/j.ijms.2018.04.004
Baruzzini, Matthew L., Hall, Howard L., Spencer, Khalil J., and Stanley, Floyd E. Sun . "Isotopic fractionation studies of uranium and plutonium using porous ion emitters as thermal ionization mass spectrometry sources". United States. https://doi.org/10.1016/j.ijms.2018.04.004. https://www.osti.gov/servlets/purl/1435524.
@article{osti_1435524,
title = {Isotopic fractionation studies of uranium and plutonium using porous ion emitters as thermal ionization mass spectrometry sources},
author = {Baruzzini, Matthew L. and Hall, Howard L. and Spencer, Khalil J. and Stanley, Floyd E.},
abstractNote = {Investigations of the isotope fractionation behaviors of plutonium and uranium reference standards were conducted employing platinum and rhenium (Pt/Re) porous ion emitter (PIE) sources, a relatively new thermal ionization mass spectrometry (TIMS) ion source strategy. The suitability of commonly employed, empirically developed mass bias correction laws (i.e., the Linear, Power, and Russell's laws) for correcting such isotope ratio data was also determined. Corrected plutonium isotope ratio data, regardless of mass bias correction strategy, were statistically identical to that of the certificate, however, the process of isotope fractionation behavior of plutonium using the adopted experimental conditions was determined to be best described by the Power law. Finally, the fractionation behavior of uranium, using the analytical conditions described herein, is also most suitably modeled using the Power law, though Russell's and the Linear law for mass bias correction rendered results that were identical, within uncertainty, to the certificate value.},
doi = {10.1016/j.ijms.2018.04.004},
journal = {International Journal of Mass Spectrometry},
number = ,
volume = 430,
place = {United States},
year = {2018},
month = {4}
}

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