ArticleJournal of synchrotron radiation2022
From EXAFS of reference compounds to U(VI) speciation in contaminated environments.
Article in Journal of synchrotron radiation, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
7 citing papers in PubMed.
- Uranium Isotopes: From Geosciences to Biomedical Sciences.Current environmental health reports · 2026Review
- Isotopic Fractionation of Natural Uranium in Mice as a Potential Biomarker of Renal Accumulation.Environmental science & technology · 2025Article
- Uranium Repartitioning during Microbial Driven Reductive Transformation of U(VI)-Sorbed Schwertmannite and Jarosite.Environmental science & technology · 2024Article
- Laboratory-based X-ray spectrometer for actinide science.Journal of synchrotron radiation · 2023Article
- Uranium hydroxide/oxide deposits on uranyl reduction.RSC advances · 2023Article
- Uranium oxides structural transformation in human body liquids.Scientific reports · 2023Article
- Foreword to the special virtual issue on Actinide physics and chemistry with synchrotron radiation.Journal of synchrotron radiation · 2022Article
Corrections and comments
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Authors and funding
6 authors.
Funding
Abstract
Understanding the speciation of technogenic uranium in natural systems is crucial for estimating U migration and bioavailability and for developing remediation strategies for contaminated territories. Reference EXAFS data of model laboratory-prepared uranium compounds (`standards') are necessary to analyze U-contaminated samples from nuclear legacy sites. To minimize errors associated with measurements on different synchrotrons, it is important not only to compare data obtained on environmentally contaminated samples with the literature but also with `standards' collected at the same beamline. Before recording the EXAFS spectra, all reference compounds were thoroughly characterized by Raman spectroscopy and powder X-ray diffraction. The U(VI) local molecular environments in the reference compounds, i.e. uranyl oxyhydroxides, phosphates, carbonates and uranates, were examined using XAFS. Based on the EXAFS fitting results obtained, including the nature of the bonding, interatomic distances and coordination numbers, parameters that are typical for a particular U compound were differentiated. Using data for `standards', U speciation in the sample of radioactively contaminated soil was determined to be a mixture of U oxyhydroxide and carbonate phases.
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Registered trials
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