Improved procedure for Pu/Am, and U isotope analysis in fecal samples

Seokwon Yoon; Wi Ho Ha; Sunhoo Park; Young woo Jin; Jung min Kim

doi:10.1007/s10967-018-5892-3

Improved procedure for Pu/Am, and U isotope analysis in fecal samples

Seokwon Yoon, Wi Ho Ha, Sunhoo Park, Young woo Jin, Jung min Kim

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

Herein, we describe an improved procedure for ²³⁸Pu, ²⁴⁰Pu, ²⁴¹Am, and natural U quantitation in fecal samples and validate it by analyzing reference samples of the intercomparison program. Interference caused by ²³⁷Np resulted in Pu content underestimation, which was corrected by the addition of an alternative tracer. Samples processed using the fusion method (to facilitate dissolution) exhibited significantly biased U contents compared to reference values, with the magnitude of the bias being dependent on the type of flux used. Conversely, the wet-ashing method afforded results closely matching reference values, being not significantly more time consuming than the fusion method.

Original language	English
Pages (from-to)	1151-1155
Number of pages	5
Journal	Journal of Radioanalytical and Nuclear Chemistry
Volume	316
Issue number	3
DOIs	https://doi.org/10.1007/s10967-018-5892-3
Publication status	Published - 2018 Jun 1

Bibliographical note

Funding Information:
Acknowledgements This study was supported by a grant of the Korea Institute of Radiological and Medical Sciences (KIRAMS), funded by Ministry of Science and ICT (MSIT), Republic of Korea (No. 50535-2018).

Publisher Copyright:
© 2018, Akadémiai Kiadó, Budapest, Hungary.

Keywords

Alpha-emitting radionuclides
Feces
Fusion method
Radiation emergency

ASJC Scopus subject areas

Analytical Chemistry
Nuclear Energy and Engineering
Radiology Nuclear Medicine and imaging
Pollution
Spectroscopy
Public Health, Environmental and Occupational Health
Health, Toxicology and Mutagenesis

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1007/s10967-018-5892-3

Cite this

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title = "Improved procedure for Pu/Am, and U isotope analysis in fecal samples",

abstract = "Herein, we describe an improved procedure for 238Pu, 240Pu, 241Am, and natural U quantitation in fecal samples and validate it by analyzing reference samples of the intercomparison program. Interference caused by 237Np resulted in Pu content underestimation, which was corrected by the addition of an alternative tracer. Samples processed using the fusion method (to facilitate dissolution) exhibited significantly biased U contents compared to reference values, with the magnitude of the bias being dependent on the type of flux used. Conversely, the wet-ashing method afforded results closely matching reference values, being not significantly more time consuming than the fusion method.",

keywords = "Alpha-emitting radionuclides, Feces, Fusion method, Radiation emergency",

author = "Seokwon Yoon and Ha, \{Wi Ho\} and Sunhoo Park and Jin, \{Young woo\} and Kim, \{Jung min\}",

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AU - Yoon, Seokwon

AU - Ha, Wi Ho

AU - Park, Sunhoo

AU - Jin, Young woo

AU - Kim, Jung min

N1 - Funding Information: Acknowledgements This study was supported by a grant of the Korea Institute of Radiological and Medical Sciences (KIRAMS), funded by Ministry of Science and ICT (MSIT), Republic of Korea (No. 50535-2018). Publisher Copyright: © 2018, Akadémiai Kiadó, Budapest, Hungary.

PY - 2018/6/1

Y1 - 2018/6/1

N2 - Herein, we describe an improved procedure for 238Pu, 240Pu, 241Am, and natural U quantitation in fecal samples and validate it by analyzing reference samples of the intercomparison program. Interference caused by 237Np resulted in Pu content underestimation, which was corrected by the addition of an alternative tracer. Samples processed using the fusion method (to facilitate dissolution) exhibited significantly biased U contents compared to reference values, with the magnitude of the bias being dependent on the type of flux used. Conversely, the wet-ashing method afforded results closely matching reference values, being not significantly more time consuming than the fusion method.

AB - Herein, we describe an improved procedure for 238Pu, 240Pu, 241Am, and natural U quantitation in fecal samples and validate it by analyzing reference samples of the intercomparison program. Interference caused by 237Np resulted in Pu content underestimation, which was corrected by the addition of an alternative tracer. Samples processed using the fusion method (to facilitate dissolution) exhibited significantly biased U contents compared to reference values, with the magnitude of the bias being dependent on the type of flux used. Conversely, the wet-ashing method afforded results closely matching reference values, being not significantly more time consuming than the fusion method.

KW - Alpha-emitting radionuclides

KW - Feces

KW - Fusion method

KW - Radiation emergency

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Improved procedure for Pu/Am, and U isotope analysis in fecal samples

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

UN SDGs

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