Journal ArticleDOI
High-precision measurement of U-Pu-Np-Am concentrations and isotope ratios in environmental reference materials by mass spectrometry.
Steven J. Goldstein,Allison A. Price,Kimberly A. Hinrichs,Stephen P. LaMont,A. J. Nunn,Ronald S. Amato,Annelise M. R. Cardon,Daniel W. Gurganus +7 more
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TLDR
In this article, the authors report results of precise and sensitive mass spectrometric measurements of uranium, plutonium, neptunium, and americium concentrations and isotope ratios in a variety of environmental reference materials.About:
This article is published in Journal of Environmental Radioactivity.The article was published on 2021-10-01. It has received 5 citations till now. The article focuses on the topics: Isotopic signature & Isotope dilution.read more
Citations
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Journal ArticleDOI
Developing Accelerator Mass Spectrometry Capabilities for Anthropogenic Radionuclide Analysis to Extend the Set of Oceanographic Tracers
Karin Hain,Martin Martschini,Fadime Gülce,Maki Honda,Johannes Lachner,Michael Kern,J. Pitters,Francesca Quinto,Aya Sakaguchi,Peter Steier,A. Wiederin,Alexander Wieser,Akihiko Yokoyama,Robin Golser +13 more
TL;DR: In this article , a simplified and very flexible chemical purification procedure based on extraction chromatography (a single UTEVA® column) was implemented which can be extended by a DGA® column for Am purification.
Journal ArticleDOI
Analytical Methods for the Determination of 90Sr and 239,240Pu in Environmental Samples
TL;DR: In this paper , the separation and measurement methods for ultra-trace determination of 90Sr, 239Pu, and 240Pu in the environment are discussed and compared, and the future development trend of radionuclide measurement is prospected in this review.
Journal ArticleDOI
Rapid monitoring of 241Am in small amount of sediment samples by combining extraction chromatography for highly efficient separation of interfering and matrix elements and ICP-MS/MS measurement
TL;DR: In this article , a simple and rapid chromatographic separation method for purposeful and efficient separation of 241Am from matrix and interfering elements was developed, which was finally applied to real marine sediment samples collected in the western North Pacific after the Fukushima nuclear accident.
Journal ArticleDOI
Atomic spectrometry update – a review of advances in environmental analysis
TL;DR: In this paper , a review covers advances in the analysis of air, water, plants, soils and geological materials by a range of atomic spectrometric techniques including atomic emission, absorption, fluorescence and mass spectrometry.
Journal ArticleDOI
Ultra-Trace Analysis of Fallout Plutonium Isotopes in Soil: Emerging Trends and Future Perspectives
S.W Mac Dowell,Olivier S. Humphrey,William H. Blake,Odipo Osano,Simon Chenery,Michael J. Watts +5 more
TL;DR: In this paper , the authors compared the performance of inductively coupled plasma tandem mass spectrometers (ICP-MS/MS) for the detection of plutonium isotopes in a variety of soil types.
References
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Journal ArticleDOI
A record of uranium-series transport at Nopal I, Sierra Peña Blanca, Mexico: Implications for natural uranium deposits and radioactive waste repositories
Joanna S. Denton,Steven J. Goldstein,P. Paviet,A. J. Nunn,Ronald S. Amato,Kimberly A. Hinrichs +5 more
TL;DR: The Nopal I uranium ore deposit is located at Pena Blanca in the Chihuahua region of northern Mexico and fracture-fill materials from surface fractures as well as fractures in a vertical drill core have been analyzed.
Journal ArticleDOI
Evaluation of new geological reference materials for uranium-series measurements: Chinese Geological Standard Glasses (CGSG) and macusanite obsidian.
Joanna S. Denton,Michael T. Murrell,Steven J. Goldstein,A. J. Nunn,Ronald S. Amato,Kimberly A. Hinrichs +5 more
TL;DR: Multicollector thermal ionization mass spectrometry (MC-TIMS and MC-ICP-MS) uranium and thorium concentration and isotopic data obtained by isotope dilution for a suite of newly available Chinese Geological Standard Glasses designed for microanalysis are presented.
Journal ArticleDOI
Sequential chemical separations and multiple ion counting ICP-MS for 241Pu–241Am–237Np dating of environmental collections on a single aliquot
Steven J. Goldstein,Kimberly A. Hinrichs,A. J. Nunn,Daniel W. Gurganus,Ronald S. Amato,Warren J. Oldham +5 more
TL;DR: In this paper, a combined sequential chemical separation procedure and multiple ion counting ICP-MS measurement method for isotopic measurements of Am in environmental samples was developed, in conjunction with established resin bead TIMS measurements for Pu and Np.
Journal ArticleDOI
Distribution of neptunium and plutonium in New Mexico lichen samples ( Usnea arizonica ) contaminated by atmospheric fallout
TL;DR: The concentrations of 237Np, 239Pu and 240Pu were determined in lichen samples (Usnea arizonica) that were collected from ten locations in New Mexico between 2011 and 2013 using isotope dilution inductively-coupled plasma mass spectrometry (ID-ICP-MS) as mentioned in this paper.
Journal ArticleDOI
Reference materials for quality assurance of environmental plutonium analysis
Junwen Wu,Jian Zheng +1 more
TL;DR: In this article, the authors reviewed the reference materials of Pu and prepared extensive Pu datasets in order to obtain the statistical values of 238−241Pu activity and Pu isotopic ratio for RMs.
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Determination of Pu isotopes in sediment cores in the Sea of Okhotsk and the NW Pacific by sector field ICP-MS
Jian Zheng,Masatoshi Yamada +1 more