Luke R Sadergaski R&D Staff, Radiochemistry and spectroscopic methods Contact sadergaskilr@ornl.gov | 865.574.1167 All Publications Simultaneous quantification of uranium(vi), samarium, nitric acid, and temperature with combined ensemble learning, laser flu... 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 Irradiated Nuclear Fuel Quantifying neptunium oxidation states in nitric acid through spectroelectrochemistry and chemometrics Hierarchical Modeling to Enhance Spectrophotometry Measurements—Overcoming Dynamic Range Limitations for Remote Monitoring ... Search for octupolar order in NpO2 by neutron powder diffraction Leveraging visible and near-infrared spectroelectrochemistry to calibrate a robust model for Vanadium(IV/V) in varying nitric... Partial Least Squares, Experimental Design, and Near-Infrared Spectrophotometry for the Remote Quantification of Nitric Acid Concentration and Temperature 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 of Experiments, and a Genetic Algorithm for Feature Selection 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... Feasibility Study of Spectrophotometry to Support a Pm Production Program at ORNL... Synthesis and Characterization of Silicon Carbide Ceramic Composites with CeO2 Powder... Neptunium transition probabilities estimated through laser induced breakdown spectroscopy (LIBS) measurements... Design of Experiments, Chemometrics, and Raman Spectroscopy for the Quantification of Hydroxylammonium, Nitrate, and Nitric A... The First Neptunium Dioxide Neutron Diffraction Experiment at HFIR... Measuring Neptunium Concentration using Optical Spectrometry for the Pu-238 Supply Program... Measuring Hydroxylammonium, Nitrate and Nitrite Concentration with Raman spectroscopy for 238Pu Supply Program... Online Monitoring of Radiochemical Processing Streams for the Plutonium-238 Supply Program... Monitoring Radiochemical Processing Streams for the Pu-238 Supply Program with Process Pulse II... Pagination Current page 1 Page 2 Next page ›› Last page Last » Key Links ORCID Organizations Isotope Science and Engineering Directorate Radioisotope Science and Technology Division Radioisotope Research and Development Section Radiochemical Process Development Group
