Brian W Ticknor Research and Development Staff Chemist Contact ticknorbw@ornl.gov | 865.576.2446 All Publications Direct analysis of cotton swipes for plutonium isotope determination by microextraction-ICP-MS... REVIEW OF PORTABLE MASS SPECTROMETRIC AND ALTERNATIVE TECHNIQUES FOR FIELDABLE ENRICHMENT ASSAY OF UF6 AND RELATED ENVIRONMEN... Direct Uranium Isotopic Analysis of Swipe Surfaces by Microextraction-ICP-MS... Rapid Determination of Uranium Isotopic Abundance from Cotton Swipes: Direct Extraction via a Planar Surface Reader and Coupl... Automated Separation of Uranium and Plutonium from Environmental Swipe Samples for Multiple Collector Inductively Coupled Pla... Exploration of metallic interferences pertinent to nuclear safeguards related uranium isotope ratio measurement on the Neoma MC-ICP-MS platform without the MS/MS option Uranium Single Particle Analysis for Simultaneous Fluorine and Uranium Isotopic Determinations via Laser-Induced Breakdown Spectroscopy/Laser Ablation–Multicollector–Inductively Coupled Plasma–Mass Spectrometry Realistic application of short-lived fission product delayed neutron, gamma-ray analysis for simultaneous nondestructive trace quantification of U, Pu mixtures on cellulose swipes Mapping of uranium particles on J-type swipes with microextraction-ICP-MS Investigation of potential polyatomic interferences on uranium isotope ratio measurements for the LS-APGD-Orbitrap MS system Microextraction–TQ–ICP–MS for the Direct Analysis of U and Pu from Cotton Swipes Faraday detector uranium isotope ratio measurement: Insights from solution- and laser ablation-based sampling methodologies o... Initial Characterization and Optimization of the Liquid Sampling-Atmospheric Pressure Glow Discharge Ionization Source Coupled to an Orbitrap Mass Spectrometer for the Determination of Plutonium Preliminary investigation of an uncertainty budget for uranium isotope ratio analysis using a liquid sampling—atmospheric pressure glow discharge—orbitrap mass spectrometer system Direct analysis of cotton swipes for uranium and plutonium isotopic determination by microextraction-ICP-MS MICROEXTRACTION ICP-MS FOR DIRECT ANALYSIS OF ENVIROMENTAL SAMPLES International interlaboratory compilation of trace element concentrations in the CUP-2 uranium ore concentrate standard... Analysis of solid uranium particulates on cotton swipes with an automated microextraction-ICP-MS system... Direct isotopic analysis of solid uranium particulates on cotton swipes by microextraction-ICP-MS... Improved uranium isotopic ratio determinations for the liquid sampling-atmospheric pressure glow discharge orbitrap mass spec... Rapid and automated separation of uranium ore concentrates for trace element analysis by inductively coupled plasma – optic... An approach to separating Pu, U, and Ti from high-purity graphite for isotopic analysis by MC-ICP-MS Determination of phosphorus and sulfur in uranium ore concentrates by triple quadrupole inductively coupled plasma mass spect... Exploring the use of thorium isotope compositions and concentrations as nuclear forensic signatures for uranium ore concentrates Trace Elemental Analysis of Bulk Thorium Using an Automated Separation–Inductively Coupled Plasma Optical Emission Spectros... Pagination Current page 1 Page 2 Next page ›› Last page Last » Key Links ORCID Organizations Physical Sciences Directorate Chemical Sciences Division Nuclear Analytical Chemistry Section Chemical and Isotopic Mass Spectrometry Group