Zobrazeno 1 - 10
of 55
pro vyhledávání: '"Cole R. Hexel"'
Autor:
Benjamin T. Manard, Veronica C. Bradley, C. Derrick Quarles, Lyndsey Hendriks, Daniel R. Dunlap, Cole R. Hexel, Patrick Sullivan, Hunter B. Andrews
Publikováno v:
Nanomaterials, Vol 13, Iss 8, p 1322 (2023)
The work described herein assesses the ability to characterize gold nanoparticles (Au NPs) of 50 and 100 nm, as well as 60 nm silver shelled gold core nanospheres (Au/Ag NPs), for their mass, respective size, and isotopic composition in an automated
Externí odkaz:
https://doaj.org/article/f84d438feeec4cb1972d661c2ef78d25
Publikováno v:
Minerals, Vol 12, Iss 7, p 882 (2022)
We utilized the Neoma™, a recently released MC-ICP-MS platform offered by ThermoFisher Scientific, to assess the behavior of the Lu-Yb-Hf system during laser ablation analyses of various zircon standards as well as solution-based analyses of the JM
Externí odkaz:
https://doaj.org/article/53cb3353e61744ff88350161d79cc9b5
Autor:
Veronica C. Bradley, Benjamin T. Manard, Benjamin D. Roach, Shalina C. Metzger, Kayron T. Rogers, Brian W. Ticknor, Sarah K. Wysor, John D. Brockman, Cole R. Hexel
Publikováno v:
Minerals, Vol 10, Iss 1, p 55 (2020)
The determination of trace elements, particularly rare earth elements, in uranium ore concentrates (UOCs) is important as the pattern can be indictive ore characteristics. Presented here is a methodology for accurately quantifying rare earth elements
Externí odkaz:
https://doaj.org/article/aeeea6b81fe3469ca0dfccad4e2e4674
Autor:
N. Alex Zirakparvar, Cole R. Hexel, Andrew J. Miskowiec, Julie B. Smith, Michael W. Ambrogio, Douglas C. Duckworth, Roger Kapsimalis, Brian W. Ticknor
Publikováno v:
Minerals, Vol 9, Iss 5, p 307 (2019)
A NanoSIMS 50 L was used to study the relationship between the 235U/238U atomic and 235U16O/238U16O molecular uranium isotope ratios determined from a variety of uranium compounds (UO2, UO2F2, UO3, UO2(NO3)2·6(H2O), and UF4) and silicates (NIST-610
Externí odkaz:
https://doaj.org/article/b369a132407048068aed1a53ecfb542e
Autor:
Veronica C. Bradley, Tyler L. Spano, Cyril V. Thompson, Brian W. Ticknor, Daniel R. Dunlap, Shalina C. Metzger, Cole R. Hexel, Benjamin T. Manard
Publikováno v:
Analytical Methods. 14:4466-4473
An automated microextraction method coupled to an inductively coupled plasma - mass spectrometer (ICP-MS) was developed for the direct analysis of solid uranium particulates on the surface of cotton swipes. The microextraction probe extracts particul
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2c75922150f66355a63d3f5f870de447
https://doi.org/10.1039/d2ay01394k
https://doi.org/10.1039/d2ay01394k
Autor:
Benjamin T. Manard, Hunter B. Andrews, C. Derrick Quarles, Veronica C. Bradley, Peter Doyle, N. Alex Zirakparvar, Daniel R. Dunlap, Cole R. Hexel
Publikováno v:
Journal of Analytical Atomic Spectrometry.
Depiction of the analysis of a surrogate tri-structural isotropic (TRISO) particle via laser-induced breakdown spectroscopy (LIBS).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c44ba0cdbda302ff08b072ef95f0ea54
https://doi.org/10.1039/d3ja00034f
https://doi.org/10.1039/d3ja00034f
Autor:
Lisa E Townsend, Khalil J. Spencer, Amy M. Gaffney, Lisa Michelle Colletti, Debbie A. Bostick, Richard M. Essex, John D. Partridge, Joe M. Giaquinto, Alice K. Slemmons, Ross W. Williams, John Rolinson, Benjamin D. Roach, Elmer Lujan, Lav Tandon, Kerri C. Treinen, Kyle M. Samperton, Cole R. Hexel, Casey C. Finstad, Diana L. Decker, Christopher G. Worley, Floyd E. Stanley, Ning Xu
Publikováno v:
Radiochimica Acta. 110:9-22
Two plutonium oxides were prepared as unique reference materials for measurement of actinide elements present as trace constituents. Each reference material unit is approximately 200 mg of PuO2 powder in a quartz glass bottle. Characterized attribute
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b396f21a62065e1a53001aba100d97a5
https://doi.org/10.1515/ract-2021-1095
https://doi.org/10.1515/ract-2021-1095
Autor:
Tyler L. Spano, Roger J. Kapsimalis, Cole R. Hexel, N. Alex Zirakparvar, Andrew Miskowiec, Michael W. Ambrogio, Julie B. Smith
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 502:164-175
We investigate the sputtering and ionization process that takes place during secondary ion mass spectrometry (SIMS) analysis in order to develop a better understanding of the underlying controls on elemental and molecular oxide secondary ion yields.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d8e399a3224f211f6987082fc47510c3
https://doi.org/10.1016/j.nimb.2021.06.007
https://doi.org/10.1016/j.nimb.2021.06.007
Autor:
Joanna S. Denton, Debra A. Bostick, Sergei F. Boulyga, J. Alan Cunningham, Ike Dimayuga, Cole R. Hexel, Joe Hiess, Slobodan V. Jovanovic, Philip Kaye, Tara Kell, Fiona Kelly, William Kinman, Stephen Kiser, Rachel E. Lindvall, Zsuzsanna Macsik, Benjamin T. Manard, Klaus Mayer, Jean-Francois Mercier, Pavel Samuleev, Patrick R. B. Saull, Youqing Shi, Robert. E. Steiner, Brian W. Ticknor, Marina Totland, Zsolt Varga, Maria Wallenius, E. Miller Wylie
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4ce854d545410e056c00a921c2cde075
https://doi.org/10.1007/s10967-022-08397-9
https://doi.org/10.1007/s10967-022-08397-9
Autor:
Theresa M. Kayzar-Boggs, N. E. Marks, Rachel King-Lopez, William S. Kinman, Debra A. Bostick, Brian W. Ticknor, Rachel E. Lindvall, Annelise M. R. Cardon, Cole R. Hexel, Rebecca R. Foley, M A Sharp
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry. 327:877-889
This interlaboratory study measured thorium concentrations and isotope compositions in uranium ore concentrates from different geographical locations to examine whether thorium impurities may be useful forensic signatures for uranium ore concentrates
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d6779568a9c7053e81dee892a6873630
https://doi.org/10.1007/s10967-020-07534-6
https://doi.org/10.1007/s10967-020-07534-6