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Title: Sequential chemical separations and multiple ion counting ICP-MS for 241Pu– 241Am– 237Np dating of environmental collections on a single aliquot

Abstract

In this study, we have developed a combined sequential chemical separation procedure and multiple ion counting ICP-MS measurement method for isotopic measurements of Am in environmental samples. This, in conjunction with established resin bead TIMS measurements for Pu and Np, allows us to measure long-lived Pu–Np–Am nuclides in environmental samples on a single solution aliquot. This single aliquot method reduces time lines and maximizes sample utility for the measurements, improving sensitivity, precision, and accuracy over prior methods. Finally, we have evaluated this new method with environmental reference materials and have obtained accurate results on samples with > 3E6 atoms 241Am.

Authors:
ORCiD logo [1]; ORCiD logo [1];  [1]; ORCiD logo [1];  [1]; ORCiD logo [1]
  1. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Publication Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE; U.S. Air Force
OSTI Identifier:
1489958
Report Number(s):
LA-UR-18-24602
Journal ID: ISSN 0236-5731
Grant/Contract Number:  
89233218CNA000001
Resource Type:
Accepted Manuscript
Journal Name:
Journal of Radioanalytical and Nuclear Chemistry
Additional Journal Information:
Journal Volume: 318; Journal Issue: 1; Journal ID: ISSN 0236-5731
Publisher:
Springer
Country of Publication:
United States
Language:
English
Subject:
38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY; Americium; Plutonium; Neptunium; Mass spectrometry; Environmental samples; Chronometry

Citation Formats

Goldstein, Steven Joel, Hinrichs, Kimberly Ann, Nunn, Andrew J., Gurganus, Daniel Wade, Amato, Ronald S., and Oldham, Warren James. Sequential chemical separations and multiple ion counting ICP-MS for 241Pu–241Am–237Np dating of environmental collections on a single aliquot. United States: N. p., 2018. Web. doi:10.1007/s10967-018-6045-4.
Goldstein, Steven Joel, Hinrichs, Kimberly Ann, Nunn, Andrew J., Gurganus, Daniel Wade, Amato, Ronald S., & Oldham, Warren James. Sequential chemical separations and multiple ion counting ICP-MS for 241Pu–241Am–237Np dating of environmental collections on a single aliquot. United States. doi:10.1007/s10967-018-6045-4.
Goldstein, Steven Joel, Hinrichs, Kimberly Ann, Nunn, Andrew J., Gurganus, Daniel Wade, Amato, Ronald S., and Oldham, Warren James. Fri . "Sequential chemical separations and multiple ion counting ICP-MS for 241Pu–241Am–237Np dating of environmental collections on a single aliquot". United States. doi:10.1007/s10967-018-6045-4. https://www.osti.gov/servlets/purl/1489958.
@article{osti_1489958,
title = {Sequential chemical separations and multiple ion counting ICP-MS for 241Pu–241Am–237Np dating of environmental collections on a single aliquot},
author = {Goldstein, Steven Joel and Hinrichs, Kimberly Ann and Nunn, Andrew J. and Gurganus, Daniel Wade and Amato, Ronald S. and Oldham, Warren James},
abstractNote = {In this study, we have developed a combined sequential chemical separation procedure and multiple ion counting ICP-MS measurement method for isotopic measurements of Am in environmental samples. This, in conjunction with established resin bead TIMS measurements for Pu and Np, allows us to measure long-lived Pu–Np–Am nuclides in environmental samples on a single solution aliquot. This single aliquot method reduces time lines and maximizes sample utility for the measurements, improving sensitivity, precision, and accuracy over prior methods. Finally, we have evaluated this new method with environmental reference materials and have obtained accurate results on samples with > 3E6 atoms 241Am.},
doi = {10.1007/s10967-018-6045-4},
journal = {Journal of Radioanalytical and Nuclear Chemistry},
number = 1,
volume = 318,
place = {United States},
year = {2018},
month = {8}
}

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Works referenced in this record:

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