Luke Sadergaski R&D Staff, Radiochemistry and spectroscopic methods Contact SADERGASKILR@ORNL.GOV All Publications Simultaneous quantification of uranium(vi), samarium, nitric acid, and temperature with combined ensemble learning, laser fluorescence, and Raman scattering for real-time monitoring Real-time elemental analysis of liquids for process monitoring using laser-induced breakdown spectroscopy with a liquid wheel sampling approach Investigation of UO2 Doped with Fe2O3 Sintered Under a Reducing Atmosphere Applications of Spectroscopy and Chemometrics in Nuclear Materials Analysis Remote Sensing of Nitric Acid and Temperature via Design of Experiments, Chemometrics, and Raman Spectroscopy Automated Calibration for Rapid Optical Spectroscopy Sensor Development for Online Monitoring Batch Extraction Studies to Evaluate Trace Element Behavior in PUREX Conditions Insights into Tetravalent Np Speciation in HNO3 through Spectroelectrochemistry and Multivariate Analysis Leveraging design of experiments to build chemometric models for the quantification of uranium (VI) and HNO3 by Raman spectroscopy Improving understanding of NpO2 and Np2O5 through vibrational spectroscopy Leveraging Calibration Transfer Techniques for Remote Monitoring of Samarium and Europium in LiCl Using Laser-Induced Florescence Spectroscopy for Radioisotope Production Applications Comparing Designed Training Sets to Optimize Multivariate Regression Models for Pr, Nd, and Nitric Acid Using Spectrophotomet... Evaluating Optical Techniques to Characterize Solid State Samples for the Pu-238 Supply Program... Comparing Sensor Fusion and Multimodal Chemometric Models for Monitoring U(VI) in Complex Environments Representative of Irra... Quantifying neptunium oxidation states in nitric acid through spectroelectrochemistry and chemometrics Hierarchical Modeling to Enhance Spectrophotometry Measurements—Overcoming Dynamic Range Limitations for Remote Monitoring of Neptunium Search for octupolar order in NpO2 by neutron powder diffraction Partial Least Squares, Experimental Design, and Near-Infrared Spectrophotometry for the Remote Quantification of Nitric Acid ... Leveraging visible and near-infrared spectroelectrochemistry to calibrate a robust model for Vanadium(IV/V) in varying nitric acid and temperature levels Analysis of trace elements in uranium by inductively coupled plasma-optical emission spectroscopy, design of experiments, and partial least squares regression Nuclear fuel irradiation testbed for nuclear security applications Characterizing PuO2 Powder at ORNL for the Multi-Lab Plutonium Process Signatures Campaign FY22... Pursuit of the Ultimate Regression Model for Samarium(III), Europium(III), and LiCl Using Laser-Induced Fluorescence, Design ... Applying Two-Dimensional Correlation Spectroscopy and Principal Component Analysis to Understand How Temperature Affects the Neptunium(V) Absorption Spectrum Multivariate chemometric methods and Vis-NIR spectrophotometry for monitoring plutonium-238 anion exchange column effluent in a radiochemical hot cell Pagination Current page 1 Page 2 Next page ›› Last page Last » Key Links ORCID Organizations Isotope Science and Enrichment Directorate Radioisotope Science and Technology Division Radioisotope Research and Development Section Radiochemical Process Development Group
