Influence of temperature and reducing conditions on the sorption of sulfate on magnetite

Autor: A. Pages, Michel Fedoroff, C. Mansour, Gilles Berger, Sandrine Zanna, E.M. Pavageau, H. Catalette, Grégory Lefèvre

Publikováno v: Journal of Colloid and Interface Science. 352:476-482

The reactivity of aqueous sulfate toward magnetite was studied between 50 and 275 °C as a function of pH and the redox conditions. Under oxidizing conditions, we did not observe redox reactions and the sorption of aqueous sulfate is promoted under a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::05c8c01f0c117a0f45c98fd506404291
https://doi.org/10.1016/j.jcis.2010.08.014

Uranyl interaction with the hydrated (111) nickel face: A periodic density functional theory investigation

Autor: H. Catalette, Christophe Domain, Jérôme Roques, H. Perron, Maximilien Levesque, Edouard Veilly, E. Simoni

Publikováno v: Surface Science
Surface Science, Elsevier, 2008, 602, pp.3331-3337. ⟨10.1016/j.susc.2008.09.006⟩

Periodic DFT calculations using plane waves basis sets with the GGA formalism were performed in order to study the behavior of the UO 2 2 + uranyl ion at the water–Ni(1 1 1) interface. First, the adsorption of water molecules interacting with an op

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a4c66737be4f02d6442e36b29e5749bd
https://doi.org/10.1016/j.susc.2008.09.006

Purity of Colloidal Magnetite Particles Used as a Model Corrosion Product

Autor: Grégory Lefèvre, F. Carrette, C. C. Mansour, M. Fédoroff, Gérard Cote, H. Catalette, E.M. Pavageau, M. Barale

Publikováno v: CORROSION. 63:744-748

Synthesis of magnetite as a model corrosion product by oxidation of ferrous hydroxide precipitated from ferrous sulfate by nitrate is a classical protocol to obtain monodisperse pseudosphe...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::11dfd382efd3b9d7f953d427149b459e
https://doi.org/10.5006/1.3278423

Combined investigation of water sorption on TiO2 rutile (110) single crystal face: XPS vs. periodic DFT

Autor: Jérôme Roques, Eric Simoni, Christophe Domain, Jean-Jacques Ehrhardt, J. Vandenborre, H. Catalette, H. Perron, Romuald Drot

Publikováno v: Surface Science
Surface Science, Elsevier, 2007, 601, pp.518-527. ⟨10.1016/j.susc.2006.10.015⟩

XPS and periodic DFT calculations have been used to investigate water sorption on the TiO2 rutile (1 1 0) face. Two sets of XPS spectra were collected on the TiO2 (1 1 0) single crystal clean and previously exposed to water: the first set with photoe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c191dbcdb101375dd83abfc258d7520a
https://doi.org/10.1016/j.susc.2006.10.015

Europium retention onto clay minerals from 25 to 150°C: Experimental measurements, spectroscopic features and sorption modelling

Autor: Gilles Berger, Emmanuel Tertre, Sylvie Castet, Michel Loubet, H. Catalette, Eric Giffaut, Eric Simoni

Publikováno v: Geochimica et Cosmochimica Acta
Geochimica et Cosmochimica Acta, Elsevier, 2006, 70, pp.4563-4578. ⟨10.1016/j.gca.2006.06.1568⟩
Geochimica et Cosmochimica Acta, 2006, 70, pp.4563-4578. ⟨10.1016/j.gca.2006.06.1568⟩

The sorption of Eu(III) onto kaolinite and montmorillonite was investigated up to 150 °C. The clays were purified samples, saturated with Na in the case of montmorillonite. Batch experiments were conducted at 25, 40, 80 and 150 °C in 0.5 M NaClO4 s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6ba197087829a66fad9bdd25877a2281
https://doi.org/10.1016/j.gca.2006.06.1568