Characterization of a sealed Americium–Beryllium (AmBe) source by inductively coupled plasma mass spectrometry

Sommers, J.; Jiménez, M.; Adamic, Mary; Giglio, Jeffrey J.; Carney, Kevin

doi:10.1007/s10967-009-0189-1

Cited by 10 publications

(4 citation statements)

References 2 publications

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“…241 Am and its progeny 237 Np were determined to calculate the age (i.e., time since purification) of the sources. The Be/Am ratios of 6.3 ± 52% (1σ) and 9.81 ± 3.5% (1σ), and the ages of 25.0 year ± 2.1 months and 25.4 year ± 0.6 months were obtained for the two sources (Sommers et al, ). The determined age agreed with the expected age from the date of purchase of each source.…”

Section: Applications Of Various Mass Spectrometric Techniques For Stmentioning

confidence: 97%

“…ICPMS was used to determine the age, and Be/Am amount ratios of two sealed Am‐Be neutron sources that were dismantled in a hot‐cell at the Idaho National Laboratory, USA (Sommers et al, ). The samples were dissolved in 2 M HCl and diluted with 8 M HNO 3 to separate Pu from U and Am with TEVA extraction chromatography resin with automated gas‐pressurized extraction chromatography (GPEC).…”

Section: Applications Of Various Mass Spectrometric Techniques For Stmentioning

confidence: 99%

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A review on the mass spectrometric studies of americium: Present status and future perspective

Aggarwal

2016

Mass Spectrometry Reviews

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The manuscript reviews the various mass spectrometric techniques for analysis and chemical studies of Americium. These methods include thermal ionization mass spectrometry (TIMS), and inductively coupled plasma source mass spectrometry (ICPMS) for the determination of Am isotope ratios and concentration in nuclear fuel samples of interest in nuclear technology, and in complex biological and environmental samples. Ultra-sensitive mass spectrometric techniques of resonance-ionization mass spectrometry (RIMS), and accelerator-based mass spectrometry (AMS) are also discussed. The novel applications of electrospray ionization mass spectrometry (ESIMS) to understand the solution chemistry of Am and other actinides are presented. These studies are important in view of the world-wide efforts to develop novel complexing agents to separate lanthanides and minor actinides (Am, Np, and Cm) for partitioning and transmutation of minor actinides from the point of view of nuclear waste management. These mass spectrometry experiments are also of great interest to examine the covalent character of actinides with increasing atomic number. Studies on gas-phase chemistry of Am and its oxides with Knudsen effusion mass spectrometry (KEMS), Fourier-transform ion cyclotron resonance mass spectrometry (FTICR-MS), and laser-based experiments with reflectron time-of-flight mass spectrometer (R-ToF) are highlighted. These studies are important to understand the fundamental chemistry of 5f electrons in actinides. Requirement of certified isotopic reference materials of Am to improve the accuracy of experimental nuclear data (e.g., the half-life of Am) is emphasized. © 2016 Wiley Periodicals, Inc. Mass Spec Rev.

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Section: Applications Of Various Mass Spectrometric Techniques For Stmentioning

confidence: 97%

Section: Applications Of Various Mass Spectrometric Techniques For Stmentioning

confidence: 99%

A review on the mass spectrometric studies of americium: Present status and future perspective

Aggarwal

2016

Mass Spectrometry Reviews

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“…Each pellet was sub-sampled to provide 10 samples ranging in size from 6 to 15 mg. Results from the analyses are provided in Table 3.33 [Sommers 2009]. Another 5 Ci source purchased from Monsanto in 1968 for use with the Neutron Radiography (NRAD) Reactor also located at Idaho National Laboratory [Bess 2014].…”

Section: Start-up Sourcesmentioning

confidence: 99%

Baseline Assessment of TREAT for Modeling and Analysis Needs

Bess

DeHart

2015

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TREAT is an air-cooled, graphite moderated, thermal, heterogeneous test facility designed to evaluate reactor fuels and structural materials under conditions simulating various types of nuclear excursions and transient undercooling situations that could occur in a nuclear reactor. After 21 years in a standby mode, TREAT is being reactivated to revive transient testing capabilities. Given the time elapsed and the concurrent loss of operating experience, current generation and advanced computational methods are being applied to begin TREAT modeling and simulation prior to renewed at-power operations. Such methods have limited value in predicting the behavior of TREAT without proper validation. Hence, the U.S. DOE has developed a number of programs to support development of benchmarks for both critical and transient operations. Extensive effort has been expended at INL to collect detailed descriptions, drawing and specification for all aspects of TREAT, and to resolve conflicting data found through this process. This report provides a collection of these data, with updated figures that are significantly more readable than historic drawings and illustrations, compositions, and dimensions based on the best available sources. This document is not nor should it be considered to be a benchmark report. Rather, it is intended to provide one stop shopping, to the extent possible, for other work that seeks to prepare detailed, accurate models of the core and its components. Given the nature of the variety of historic documents available and the loss of institutional memory, the only completely accurate database of TREAT data is TREAT itself. Unfortunately, disassembly of TREAT for inspection, assay, and measurement is highly unlikely. Hence the data provided herein is intended serve as a best-estimate substitute.

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“…Destructive analysis of the chemical composition of PuBe materials in neutron sources has never been reported. The only publication on destructive chemical analysis of a neutron source (Sommers et al, 2009) described an AmBe source material evaluated by Idaho National Laboratory, USA.…”

Section: Introductionmentioning

confidence: 99%