Browsing by Author "Farges F."
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Browsing by Author "Farges F."
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Berrodier I.; Farges F.; Deveughèle M.; Brown G.E.; Benedetti M.; Winterer M. (2004)Gold adsorption products on powdered ferrihydrite, goethite, and boehmite samples, prepared by reacting Au(III)-Cl solutions ([Au] = 4.2 × 10⁻⁵-9.0 × 10⁻³ M; [Cl] = 0.017–0.6 M) with these adsorbents at pH values of 4 to ...
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Pokrovski G.S.; Schott J.; Pokrovsky O.S.; Hazemann J.-L.; Farges F. (2002)The influence of aqueous silica on gallium(III) hydrolysis in dilute (2 × 10−4 ≤ mGa ≤ 5 × 10−3) and moderately concentrated (0.02 ≤ mGa ≤ 0.3) aqueous solutions was studied at ambient temperature, using high resolution ...
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Munoz M.; Arogoul P.; Farges F. (2003)To better understand the extended X-ray absorption fine structure (EXAFS) spectroscopic information obtained for complex materials such as those encountered in Earth materials, we propose to use the Continuous Cauchy Wavelet ...
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Farges F.; Brown G.E.; Rehr J.J. (1996)The coordination environment of Ti(IV) in a variety of Ti-bearing crystalline oxide and silicate model compounds has been studied using Ti K-edge x-ray absorption fine structure (XAFS) spectroscopy at ambient temperature ...
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Farges F.; Brown G.E.; Navrotsky A.; Hao G.; Rehr J.J. (1996)The coordination environment of Ti(IV) in a number of Ti-silicate and Ti-aluminosilicate glasses has been determined by x-ray absorption fine structure (XAFS) spectroscopy at the Ti K-edge at ambient temperature and pressure. ...
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Farges F.; Brown G.E.; Navrotsky A.; Hao G.; Rehr J.R. (1996)The local structural environment of Ti in five Na-, K-, and Ca-titanosilicate glass/melts with TiO2 concentrations ranging from 2.7-30.5 wt% has been determined by in situ Ti K-edge x-ray absorption fine structure (XAFS) ...
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Farges F.; Brown G.E. (1997)The coordination environment of Ti(IV) in seven natural and synthetic glasses of basaltic, trachytic, rhyolitic composition as well as four tektites has been studied using high-resolution Ti K-edge x-ray absorption near ...
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Pokrovski G.S.; Schott J.; Farges F.; Hazemann J.-L. (2003)The influence of aqueous silica on the hydrolysis of iron(III) nitrate and chloride salts in dilute aqueous solutions (mFe ~ 0.01 mol/kg) was studied at ambient temperature using X-ray absorption fine structure (XAFS) ...
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Jackson W.E.; Farges F.; Yeager M.; Mabrouk P.A.; Rossano S.; Waychunas G.A.; Solomon E.I.; Brown Jr.G.E. (2005)The coordination environment of Fe(II) has been examined in seven anhydrous ferrosilicate glasses at 298 K and 1 bar using 57Fe Mössbauer, Fe K-edge X-ray near edge structure (XANES), and extended X-ray absorption fine ...
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Wilke M.; Farges F.; Petit P.-E.; Brown G.E.; Martin F. (2001)High-resolution Fe K-edge XANES spectra of a series of crystalline Fe2+- and Fe3+-bearing model compounds were measured in an effort to correlate characteristics of the pre-edge feature with oxidation state and local ...
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Farges F.; Brown G.E.; Petit P.E.; Munoz M. (2001)The local structural environment around Ni(II) in a series of crystalline model compounds and K-Ni-, Na-Ni-, and Ca-Ni-silicate glasses and melts has been evaluated by using high-resolution Ni K-edge XANES spectroscopy and ...
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Farges F.; Munoz M.; Siewert R.; Malavergne V.; Brown G.E.; Behrens H.; Nowak M.; Petit P.E. (2001)The local coordination environment around Ni(II) in a series of sodium trisilicate (NS3) and albitic (ALB) glasses has been evaluated by using high-resolution XANES and anharmonic EXAFS spectroscopies. The glasses contain ...
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