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Title: Improved precision and accuracy in quantifying plutonium isotope ratios by RIMS

Journal Article · · Journal of Radioanalytical and Nuclear Chemistry
 [1];  [2];  [1];  [1];  [1];  [1]
  1. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  2. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Argonne National Lab. (ANL), Argonne, IL (United States)

Resonance ionization mass spectrometry (RIMS) holds the promise of rapid, isobar-free quantification of actinide isotope ratios in as-received materials (i.e. not chemically purified). Recent progress in achieving this potential using two Pu test materials is presented. RIMS measurements were conducted multiple times over a period of two months on two different Pu solutions deposited on metal surfaces. Measurements were bracketed with a Pu isotopic standard, and yielded absolute accuracies of the measured 240Pu/239Pu ratios of 0.7% and 0.58%, with precisions (95% confidence intervals) of 1.49% and 0.91%. In conclusion, the minor isotope 238Pu was also quantified despite the presence of a significant quantity of 238U in the samples.

Research Organization:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
AC52-07NA27344; AC02-06CH11357
OSTI ID:
1241996
Report Number(s):
LLNL-JRNL-674877; TRN: US1600407
Journal Information:
Journal of Radioanalytical and Nuclear Chemistry, Vol. 307, Issue 3; ISSN 0236-5731
Publisher:
SpringerCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 8 works
Citation information provided by
Web of Science

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Cited By (5)

Analysis of sub-picogram quantities of 238Pu by thermal ionization mass spectrometry journal July 2019
Atomic spectrometry update: review of advances in the analysis of metals, chemicals and materials journal January 2017
Atomic spectrometry update: review of advances in the analysis of metals, chemicals and materials journal January 2018
Atomic spectrometry update: review of advances in the analysis of metals, chemicals and materials journal January 2020
Atomic spectrometry update. Review of advances in the analysis of metals, chemicals and materials journal January 2013