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Neptunium(V) Incorporation/Sorption with Uranium(VI) Alteration Products
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AbstractAn initial uranium phase that has been observed to form during the corrosion of spent nuclear fuel is the uranium oxy-hydroxide metaschoepite. It has been proposed that neptunium(V) solubility can be limited by its association with this uranium phase. Metaschoepite has been synthesized in the presence of neptunium(V) over the pH range modeled in the proposed Yucca Mountain geologic repository. Uranium (VI) phases were synthesized by varying pH and neptunium concentrations. Results of neptunium association with the uranium alteration phases are presented and the relationship to dissolved neptunium concentrations discussed.
Springer Science and Business Media LLC
Title: Neptunium(V) Incorporation/Sorption with Uranium(VI) Alteration Products
Description:
AbstractAn initial uranium phase that has been observed to form during the corrosion of spent nuclear fuel is the uranium oxy-hydroxide metaschoepite.
It has been proposed that neptunium(V) solubility can be limited by its association with this uranium phase.
Metaschoepite has been synthesized in the presence of neptunium(V) over the pH range modeled in the proposed Yucca Mountain geologic repository.
Uranium (VI) phases were synthesized by varying pH and neptunium concentrations.
Results of neptunium association with the uranium alteration phases are presented and the relationship to dissolved neptunium concentrations discussed.
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