Formation of plutonium( iv ) silicate species in very alkaline reactive media

Paul Estevenon; Thomas Dumas; Pier Lorenzo Solari; Eleonore Welcomme; Stephanie Szenknect; Adel Mesbah; Kristina Kvashnina; Philippe Moisy; Christophe Poinssot; Nicolas Dacheux

doi:10.1039/D1DT02248B

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Formation of plutonium( iv ) silicate species in very alkaline reactive media

Journal article

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Formation of plutonium( iv ) silicate species in very alkaline reactive media

Paul Estevenon, Thomas Dumas, Pier Lorenzo Solari, Eleonore Welcomme, Stephanie Szenknect, Adel Mesbah, Kristina Kvashnina, Philippe Moisy, Christophe Poinssot and Nicolas Dacheux

Dalton Transactions, Vol.50(36), pp.12528-12536

21/09/2021

DOI: https://doi.org/10.1039/D1DT02248B

Abstract

Thanks to XAS, sequential filtration and α spectrometry, formation of Pu( iv ) silicate colloids of 6 nm in size was evidenced for pH > 13 and Pu concentration of 10 mM. These species could affect the plutonium mobility under environmental conditions.

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Title: Formation of plutonium( iv ) silicate species in very alkaline reactive media
Creators - without role: Paul Estevenon - Université de Montpellier
Thomas Dumas - CEA Marcoule
Pier Lorenzo Solari - Synchrotron soleil
Eleonore Welcomme - Université de Montpellier
Stephanie Szenknect - Institut de Chimie Séparative de Marcoule
Adel Mesbah - Institut de Chimie Séparative de Marcoule
Kristina Kvashnina - Helmholtz-Zentrum Dresden-Rossendorf
Philippe Moisy - CEA Marcoule
Christophe Poinssot - CEA Marcoule
Nicolas Dacheux - Institut de Chimie Séparative de Marcoule
Publication Details: Dalton Transactions, Vol.50(36), pp.12528-12536
Identifiers: 9940747809311
Academic Unit: Institut de Chimie Séparative de Marcoule - ICSM
Language: English
Resource Type: Journal article
Local Fields: hal-03385996