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Items for "Reduction"

Chemical speciation of heterogeneously reduced Pu in synthetic brines

X-ray absorption fine structure (XAFS) spectroscopy has been used to determine the speciation of Pu precipitates prepared by the heterogeneous reduction of Pu(VI) with Al and Fe in 5 M NaCl and an ERDA-6 brine, a simulant from the Waste Isolation Pilot Plant in Carlsbad, New Mexico...

Keywords: Plutonium hydrous oxide, Reduction, Active barrier technology, XAFS, Chemical speciation

05/2006 | Radiochimica Acta, Oldenbourg Wissenschaftsverlag

Reduction behavior of uranium in the presence of citric acid

We examined the reduction behavior of UO₂²⁺ in citrate media at pH 2.0−7.0 by column electrodes...

Keywords: Uranium-citrate complex, Reduction, Speciation, Column electrode, Absorption spectrum

09/2006 | Radiochimica Acta, Oldenbourg Wissenschaftsverlag

Electrochemistry at Negative Potentials in Bis(trifluoromethanesulfonyl)amide Ionic Liquids

The bis(trifluoromethanesulfonyl)amide (TFSA) anion is widely studied as an ionic liquid (IL) forming anion which imparts many useful properties, notably electrochemical stability...

Keywords: Reduction, Decomposition, Passivation, Bistriflamide, TFSA

10/2006 | Zeitschrift für Physikalische Chemie, Oldenbourg Wissenschaftsverlag

The solubility of technetium(IV) at high pH

Technetium-99 is a β-emitting fission product of ²³⁸U. It is important when considering a safety case for nuclear waste disposal because of its high yield in radioactive waste and long half-life...

Keywords: Technetium, Reduction, Solubility, High pH