2024
DOI: 10.1021/acs.analchem.3c04911
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Comparing Sensor Fusion and Multimodal Chemometric Models for Monitoring U(VI) in Complex Environments Representative of Irradiated Nuclear Fuel

Luke R. Sadergaski,
Hunter B. Andrews,
Brandon A. Wilson

Abstract: Optical sensors and chemometric models were leveraged for the quantification of uranium­(VI) (0–100 μg mL–1), europium (0–150 μg mL–1), samarium (0–250 μg mL–1), praseodymium (0–350 μg mL–1), neodymium (0–1000 μg mL–1), and HNO3 (2–4 M) with varying corrosion product (iron, nickel, and chromium) levels using laser fluorescence, Raman scattering, and ultraviolet–visible–near-infrared absorption spectra. In this paper, an efficient approach to developing and evaluating tens of thousands of partial least-squares … Show more

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Cited by 5 publications
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“…Optical spectroscopy is useful for process control in many nuclear processing applications. Light can be transmitted in and out of glove box and hot cell facilities to obtain analytical data in situ with fiber-optic cables. Thus, developing optical monitoring approaches for lanthanides (e.g., Sm­(III) and Eu­(III)) and transplutonium species (e.g., Cm­(III)) in both liquid samples throughout the various chemical processes (e.g., column separations) will provide benefits for making real-time adjustments, preventing faulty batches, and optimizing system performance and product quality. , …”
Section: Introductionmentioning
confidence: 99%
“…Optical spectroscopy is useful for process control in many nuclear processing applications. Light can be transmitted in and out of glove box and hot cell facilities to obtain analytical data in situ with fiber-optic cables. Thus, developing optical monitoring approaches for lanthanides (e.g., Sm­(III) and Eu­(III)) and transplutonium species (e.g., Cm­(III)) in both liquid samples throughout the various chemical processes (e.g., column separations) will provide benefits for making real-time adjustments, preventing faulty batches, and optimizing system performance and product quality. , …”
Section: Introductionmentioning
confidence: 99%