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Search Publications by: Evan Jahrman (Fed)

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Displaying 1 - 5 of 5

X-ray absorption fine structure characterization of a multicomponent spinel catalyst

January 12, 2023
Author(s)
Evan Jahrman, Kimber L. Stamm Masias, Torin C. Peck, Charles A. Roberts
Demand for high-performing, inexpensive catalysts has motivated the development of mixed 3d transition metal architectures. Here, X-ray spectroscopies are uniquely positioned to inform intensive searches of compositional spaces by elucidating structure

Assessing Arsenic Species in Foods Using Regularized Linear Regression of the Arsenic K-edge X-ray Absorption Near Edge Structure

April 19, 2022
Author(s)
Evan Jahrman, Lee L. Yu, William P. Krekelberg, David Sheen, Thomas C. Allison, John L. Molloy
The toxicity and bioavailability of arsenic is heavily dependent on its speciation. Therefore, robust and accurate methods are needed to determine arsenic speciation profiles for materials related to public health initiatives, such as food safety. Here, X

Effect of Chlorine and Chromium on Sulfur Solubility in Low-Activity Waste Glass

September 21, 2021
Author(s)
Tongan Jin, Eden Rivers, Dongsang Kim, Timothy Droubay, Evan Jahrman, Derek Mar, Brigitte Weese, Gerald Seidler, Albert Kruger
According to an empirical sulfur solubility model developed from over 200 simulated low-activity waste (LAW) glasses, chlorine and chromium show strong effects on lowering sulfur solubility in glass. This work investigates the saturation concentrations of