Matt Darnell Nuclear Analytical Chemistry Instrumentation Contact DARNELLMC@ORNL.GOV All Publications Preliminary Insights Into the Feasibility of Determining the Purification Date of Enriched Uranium by Direct Measurement of the 230Th/234U Ratio Using an All-Faraday Detector Configuration on the Neoma MC-ICP-MS Particle Signal Considerations for Isotope Ratio Analysis with Single Particle Multi-Collector Inductively Coupled Plasma Mass Spectrometry 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 Key Links Organizations Physical Sciences Directorate Chemical Sciences Division Nuclear Analytical Chemistry Section Chemical and Isotopic Mass Spectrometry Group