Preparation and calibration of a 231Pa reference material
Abstract
A 231Pa reference material has been characterized for amount of protactinium. This reference material is primarily intended for calibration of 233Pa tracers produced for 235U–231Pa model age measurements associated with nuclear forensics and nuclear safeguards. Primary measurements for characterization were made by isotope dilution mass spectrometry of a purified 231Pa solution using a 233Pa isotopic spike. The spike was calibrated by allowing multiple aliquots of the 233Pa spike solution to decay to 233U and then measuring the ingrown 233U by isotope dilution mass spectrometry using a certified uranium assay and isotopic standard as a reverse-spike. In conclusion, the new 231Pa reference material will simplify calibration of the 233Pa isotope dilution spikes, provide metrological traceability, and potentially reduce the overall measurement uncertainty of model ages.
- Authors:
-
[1];
- National Inst. of Standards and Technology (NIST), Gaithersburg, MD (United States)
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
- National Research Council, Ottawa, ON (Canada)
- National Physical Lab., Middlesex (United Kingdom)
- Publication Date:
- Research Org.:
- Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
- Sponsoring Org.:
- USDOE National Nuclear Security Administration (NNSA)
- OSTI Identifier:
- 1776668
- Alternate Identifier(s):
- OSTI ID: 1597216
- Report Number(s):
- LLNL-JRNL-811969; LLNL-JRNL-789377
Journal ID: ISSN 0236-5731; 1012768; TRN: US2209383
- Grant/Contract Number:
- AC52-07NA27344
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of Radioanalytical and Nuclear Chemistry
- Additional Journal Information:
- Journal Volume: 322; Journal Issue: 3; Journal ID: ISSN 0236-5731
- Publisher:
- Springer
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY; Isotope dilution mass spectrometry; Nuclear forensics; 231Pa; 233Pa; Radiochronometry; Reference material
Citation Formats
Essex, Richard M., Williams, Ross W., Treinen, Kerri C., Collé, Ronald, Fitzgerald, Ryan, Galea, Raphael, Keightley, John, LaRosa, Jerome, Laureano-Pérez, Lizbeth, Nour, Svetlana, and Pibida, Leticia. Preparation and calibration of a 231Pa reference material. United States: N. p., 2019.
Web. doi:10.1007/s10967-019-06711-6.
Essex, Richard M., Williams, Ross W., Treinen, Kerri C., Collé, Ronald, Fitzgerald, Ryan, Galea, Raphael, Keightley, John, LaRosa, Jerome, Laureano-Pérez, Lizbeth, Nour, Svetlana, & Pibida, Leticia. Preparation and calibration of a 231Pa reference material. United States. https://doi.org/10.1007/s10967-019-06711-6
Essex, Richard M., Williams, Ross W., Treinen, Kerri C., Collé, Ronald, Fitzgerald, Ryan, Galea, Raphael, Keightley, John, LaRosa, Jerome, Laureano-Pérez, Lizbeth, Nour, Svetlana, and Pibida, Leticia. Thu .
"Preparation and calibration of a 231Pa reference material". United States. https://doi.org/10.1007/s10967-019-06711-6. https://www.osti.gov/servlets/purl/1776668.
@article{osti_1776668,
title = {Preparation and calibration of a 231Pa reference material},
author = {Essex, Richard M. and Williams, Ross W. and Treinen, Kerri C. and Collé, Ronald and Fitzgerald, Ryan and Galea, Raphael and Keightley, John and LaRosa, Jerome and Laureano-Pérez, Lizbeth and Nour, Svetlana and Pibida, Leticia},
abstractNote = {A 231Pa reference material has been characterized for amount of protactinium. This reference material is primarily intended for calibration of 233Pa tracers produced for 235U–231Pa model age measurements associated with nuclear forensics and nuclear safeguards. Primary measurements for characterization were made by isotope dilution mass spectrometry of a purified 231Pa solution using a 233Pa isotopic spike. The spike was calibrated by allowing multiple aliquots of the 233Pa spike solution to decay to 233U and then measuring the ingrown 233U by isotope dilution mass spectrometry using a certified uranium assay and isotopic standard as a reverse-spike. In conclusion, the new 231Pa reference material will simplify calibration of the 233Pa isotope dilution spikes, provide metrological traceability, and potentially reduce the overall measurement uncertainty of model ages.},
doi = {10.1007/s10967-019-06711-6},
journal = {Journal of Radioanalytical and Nuclear Chemistry},
number = 3,
volume = 322,
place = {United States},
year = {Thu Aug 22 00:00:00 EDT 2019},
month = {Thu Aug 22 00:00:00 EDT 2019}
}
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Works referenced in this record:
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Works referencing / citing this record:
An interlaboratory collaboration to determine consensus 231Pa/235U model ages of a uranium certified reference material for nuclear forensics
journal, February 2020
- Kayzar-Boggs, Theresa M.; Treinen, Kerri C.; Okubo, Ayako
- Journal of Radioanalytical and Nuclear Chemistry, Vol. 323, Issue 3