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:
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).
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
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
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.
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:
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.
Autor:
Benjamin T Manard, Christopher J Hintz, C Derrick Quarles, William Burns, N Alex Zirakparvar, Daniel R Dunlap, Toya Beiswenger, Alicia M Cruz-Uribe, Joseph A Petrus, Cole R Hexel
Publikováno v:
Metallomics : integrated biometal science. 14(7)
Quantifying the chemical composition of fast-growing hard tissues in the environment can shed valuable information in terms of understanding ecosystems both prehistoric and current. Changes in chemical composition can be correlated with environmental
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