Alex Zirakparvar R&D Associate - Analytical Chemist Contact 865.341.0077 | ZIRAKPARVANA@ORNL.GOV All Publications Exploration of ICP platforms for measuring elemental impurities in uranium ore concentrates A preliminary investigation into the use of molecular oxide and hydride secondary ion relationships for improvement of the 236U/238U determination on a NanoSIMS 50L Improving Elemental Ratio Measurements on Uranyl Fluoride with NanoSIMS Lu-Hf isotopic evidence of a deep mantle plume source for the ~2.06 Ga Bushveld Large Igneous Province A NanoSIMS 50 L Investigation into Improving the Precision and Accuracy of the 235U/238U Ratio Determination by Using the Molecular 235U16O and 238U16O Secondary Ions Lu-Hf and Sm-Nd geochronological constraints on the influence of subduction metamorphism in controlling the Hf-Nd terrestrial array: Evidence from the world’s orogenic belts Pagination First page « First Previous page ‹â¶Ä¹ Page 1 Current page 2 Key Links Organizations Physical Sciences Directorate Chemical Sciences Division Nuclear Analytical Chemistry Section Chemical and Isotopic Mass Spectrometry Group