Publications by authors named "Georges Calas"

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Speciation Change of Uranyl in Lithium Borate Glasses.
Myrtille O J Y Hunault, Gérald Lelong, Laurent Cormier, Laurence Galoisy, Pier-Lorenzo Solari, Georges Calas

Inorg Chem· May 2019

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The Grande Rose of the Reims Cathedral: an eight-century perspective on the colour management of medieval stained glass.
Natan Capobianco, Myrtille O J Y Hunault, Sylvie Balcon-Berry, Laurence Galoisy, Dany Sandron, Georges Calas

Sci Rep· March 2019

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Influence of crystallographic environment on scandium K-edge X-ray absorption near-edge structure spectra.
Mathieu Chassé, Amélie Juhin, Delphine Cabaret, Steven Delhommaye, Delphine Vantelon, Georges Calas

Phys Chem Chem Phys· October 2018

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Nondestructive Redox Quantification Reveals Glassmaking of Rare French Gothic Stained Glasses.
Myrtille O J Y Hunault, Claudine Loisel, Fanny Bauchau, Quentin Lemasson, Claire Pacheco, Georges Calas

Anal Chem· June 2017

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Assessment of Transition Element Speciation in Glasses Using a Portable Transmission Ultraviolet-Visible-Near-Infrared (UV-Vis-NIR) Spectrometer.
Myrtille Hunault, Gérald Lelong, Michel Gauthier, Frédéric Gélébart, Saindou Ismael, Georges Calas

Appl Spectrosc· May 2016

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Evolution of uranium distribution and speciation in mill tailings, COMINAK Mine, Niger.
Adrien Déjeant, Laurence Galoisy, Régis Roy, Georges Calas, Flora Boekhout

Sci Total Environ· March 2016

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Optical Absorption Microspectroscopy (μ-OAS) Based on Schwarzschild-Type Cassegrain Optics.
Mathieu Chassé, Gérald Lelong, Peter van Nijnatten, Ivo Schoofs, Jürgen de Wolf, Georges Calas

Appl Spectrosc· April 2015

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Field analyses of (238)U and (226)Ra in two uranium mill tailings piles from Niger using portable HPGe detector.
Adrien Déjeant, Ludovic Bourva, Radia Sia, Laurence Galoisy, Georges Calas

J Environ Radioact· November 2014

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Uranium association with iron-bearing phases in mill tailings from Gunnar, Canada.
Guillaume Othmane, Thierry Allard, Guillaume Morin, Madeleine Sélo, Jessica Brest, Georges Calas

Environ Sci Technol· November 2013

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Distinctive arsenic(V) trapping modes by magnetite nanoparticles induced by different sorption processes.
Yuheng Wang, Guillaume Morin, Georges Ona-Nguema, Farid Juillot, Georges Calas

Environ Sci Technol· September 2011

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XANES evidence for rapid arsenic(III) oxidation at magnetite and ferrihydrite surfaces by dissolved O(2) via Fe(2+)-mediated reactions.
Georges Ona-Nguema, Guillaume Morin, Yuheng Wang, Andrea L Foster, Farid Juillot, Georges Calas

Environ Sci Technol· July 2010

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Evidence for different surface speciation of arsenite and arsenate on green rust: an EXAFS and XANES study.
Yuheng Wang, Guillaume Morin, Georges Ona-Nguema, Farid Juillot, François Guyot, Georges Calas

Environ Sci Technol· January 2010

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Radiation-stability of smectite.
Stéphanie Sorieul, Thierry Allard, Lumin M Wang, Caroline Grambin-Lapeyre, Jie Lian, Georges Calas

Environ Sci Technol· November 2008

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Boroxol Rings in Liquid and Vitreous B2O3 from First Principles.
Guillaume Ferlat, Thibault Charpentier, Ari Paavo Seitsonen, Akira Takada, Michele Lazzeri, Georges Calas

Phys Rev Lett· August 2008

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Extended X-ray absorption fine structure analysis of arsenite and arsenate adsorption on maghemite.
Guillaume Morin, Georges Ona-Nguema, Yuheng Wang, Nicolas Menguy, Farid Juillot, Georges Calas

Environ Sci Technol· April 2008

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EXAFS analysis of arsenite adsorption onto two-line ferrihydrite, hematite, goethite, and lepidocrocite.
Georges Ona-Nguema, Guillaume Morin, Farid Juillot, Georges Calas, Gordon E Brown

Environ Sci Technol· December 2005

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Bacterial formation of tooeleite and mixed arsenic(III) or arsenic(V)-iron(III) gels in the Carnoulès acid mine drainage, France. A XANES, XRD, and SEM study.
Guillaume Morin, Farid Juillot, Corinne Casiot, Odile Bruneel, Jean-Christian Personné, Georges Calas

Environ Sci Technol· May 2003

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