Uranium Redox Transformations after U(VI) Coprecipitation with Magnetite Nanoparticles

Uranium redox states and speciation in magnetite nanoparticles coprecipitated with U­(VI) for uranium loadings varying from 1000 to 10 000 ppm are investigated by X-ray absorption spectroscopy (XAS). It is demonstrated that the U M4 high energy resolution X-ray absorption near edge structure (HR-XAN...

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Veröffentlicht in:	Environmental science & technology 2017-02, Vol.51 (4), p.2217-2225
Hauptverfasser:	Pidchenko, Ivan, Kvashnina, Kristina O, Yokosawa, Tadahiro, Finck, Nicolas, Bahl, Sebastian, Schild, Dieter, Polly, Robert, Bohnert, Elke, Rossberg, André, Göttlicher, Jörg, Dardenne, Kathy, Rothe, Jörg, Schäfer, Thorsten, Geckeis, Horst, Vitova, Tonya
Format:	Artikel
Sprache:	eng
Schlagworte:	Electrons Magnetite Nanoparticles Microscopy Minerals Nanoparticles Oxidation-Reduction Photoelectron Spectroscopy Spectrum analysis Transmission electron microscopy Uranium Uranium - chemistry X-Ray Absorption Spectroscopy
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