Thomas Vercouter
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View article: Determination of the <sup>144</sup>Ce/<sup>238</sup>U atomic ratio in spent nuclear fuel using double spike isotope dilution mass spectrometry
Determination of the <sup>144</sup>Ce/<sup>238</sup>U atomic ratio in spent nuclear fuel using double spike isotope dilution mass spectrometry Open
Determination of the 144 Ce/ 238 U ratio in spent nuclear fuels using the double isotope dilution technique associated with thermal ionization mass spectrometry measurements.
View article: Influence of the first coordination of uranyl on its luminescence properties: study of uranyl binitrate with N,N-dialkyl amide DEHiBA and water
Influence of the first coordination of uranyl on its luminescence properties: study of uranyl binitrate with N,N-dialkyl amide DEHiBA and water Open
Uranyl binitrate complexes have a particular interest in the nuclear industry, especially in the reprocessing of spent nuclear fuel. The modified PUREX extraction process is designed to extract U(VI) in the form of UO2(NO3)2(L)2 as it has …
View article: Influence of the first coordination of uranyl on its luminescence properties: study of uranyl binitrate with N,N-dialkyl amide DEHiBA and water
Influence of the first coordination of uranyl on its luminescence properties: study of uranyl binitrate with N,N-dialkyl amide DEHiBA and water Open
Uranyl binitrate complexes have a particular interest in the nuclear industry, especially in the reprocessing of spent nuclear fuel. The modified PUREX extraction process is designed to extract U(VI) in the form of UO2(NO3)2(L)2 as it has …
View article: Influence of the first coordination of uranyl on its luminescence properties: study of uranyl binitrate with N,N-dialkyl amide DEHiBA and water
Influence of the first coordination of uranyl on its luminescence properties: study of uranyl binitrate with N,N-dialkyl amide DEHiBA and water Open
Uranyl binitrate complexes have a particular interest in the nuclear industry, especially in the reprocessing of spent nuclear fuel. The modified PUREX extraction process is designed to extract U(VI) in the form of UO2(NO3)2(L)2 as it has …
View article: Influence of the first coordination of uranyl on its luminescence properties: study of uranyl binitrate with N,N-dialkyl amide DEHiBA and water
Influence of the first coordination of uranyl on its luminescence properties: study of uranyl binitrate with N,N-dialkyl amide DEHiBA and water Open
Uranyl binitrate complexes have a particular interest in the nuclear industry, especially in the reprocessing of spent nuclear fuel. The modified PUREX extraction process is designed to extract U(VI) in the form of UO2(NO3)2(L)2 as it has …
View article: A combined ab initio and time-resolved laser-induced fluorescence study of uranium-ligand interactions
A combined ab initio and time-resolved laser-induced fluorescence study of uranium-ligand interactions Open
Les complexes d'uranyle ont fait l'objet de nombreux travaux de recherche pour la chimie fondamentale des actinides, les enjeux environnementaux ou les procédés du cycle du combustible nucléaire. La formation de divers complexes d'uranium(…
View article: Influence of Alkaline Earth Metal Ions on Structures and Luminescent Properties of Na<sub><i>m</i></sub>M<sub><i>n</i></sub>UO<sub>2</sub>(CO<sub>3</sub>)<sub>3</sub><sup>(4–<i>m</i>–2<i>n</i>)–</sup> (M = Mg, Ca; <i>m</i>, <i>n</i> = 0–2): Time-Resolved Fluorescence Spectroscopy and <i>Ab Initio</i> Studies
Influence of Alkaline Earth Metal Ions on Structures and Luminescent Properties of Na<sub><i>m</i></sub>M<sub><i>n</i></sub>UO<sub>2</sub>(CO<sub>3</sub>)<sub>3</sub><sup>(4–<i>m</i>–2<i>n</i>)–</sup> (M = Mg, Ca; <i>m</i>, <i>n</i> = 0–2): Time-Resolved Fluorescence Spectroscopy and <i>Ab Initio</i> Studies Open
The luminescence spectra of triscarbonatouranyl complexes were determined by experimental and theoretical methods. Time-resolved laser-induced fluorescence spectroscopy was used to monitor spectra of uranyl and bicarbonate solutions at 0.1…
View article: Investigation of the Luminescence of [UO<sub>2</sub>X<sub>4</sub>]<sup>2–</sup> (X = Cl, Br) Complexes in the Organic Phase Using Time-Resolved Laser-Induced Fluorescence Spectroscopy and Quantum Chemical Simulations
Investigation of the Luminescence of [UO<sub>2</sub>X<sub>4</sub>]<sup>2–</sup> (X = Cl, Br) Complexes in the Organic Phase Using Time-Resolved Laser-Induced Fluorescence Spectroscopy and Quantum Chemical Simulations Open
The luminescence properties of the [UO2Cl4]2- complex in an organic phase, especially the influence of large organic countercations, have been studied by time-resolved laser-induced fluorescence spectroscopy (TRLFS) and ab initio modeling.…
View article: Analysis of radionuclides in microsystem: application to the selective recovery of <sup>55</sup>Fe by solvent extraction
Analysis of radionuclides in microsystem: application to the selective recovery of <sup>55</sup>Fe by solvent extraction Open
The minimization of the sample quantities required by analytical laboratories, as well as the increase of the fastness of the analytical operations are emerging axes for improved radiochemical analyses related to D&D issues. Two microsyste…
View article: Role of Trace Elements in the 226-Radium Incorporation in Sulfate Minerals (Gypsum and Celestite)
Role of Trace Elements in the 226-Radium Incorporation in Sulfate Minerals (Gypsum and Celestite) Open
International audience
View article: direct detection and identification of uranium(vi)-bearing solids by trlfs and chemometrics analysis
direct detection and identification of uranium(vi)-bearing solids by trlfs and chemometrics analysis Open
Uranium can be naturally found in the environment in the form of minerals, precipitates, and/or associated to other compounds like iron (hydr)oxides or clay rocks. Identification of the nature of the uranium compounds is of major importanc…
View article: Complexing power of hydro-soluble degradation products from γirradiated polyvinylchloride: influence on Eu(OH)<sub>3</sub>(s) solubility and Eu(III) speciation in neutral to alkaline environment
Complexing power of hydro-soluble degradation products from γirradiated polyvinylchloride: influence on Eu(OH)<sub>3</sub>(s) solubility and Eu(III) speciation in neutral to alkaline environment Open
The complexing power of hydrosoluble degradation products (HDPs) from an alkaline hydrolysis of a 10 MGy γ-irradiated polyvinylchloride is studied. The complexation of Eu(III), as an analogue of lanthanide and actinide radionuclides at the…
View article: Characterization of Actinides Complexed to Nuclear Fuel Constituents Using ESI-MS
Characterization of Actinides Complexed to Nuclear Fuel Constituents Using ESI-MS Open
Electrospray ionization-mass spectrometry (ESI-MS) was tested for its use in monitoring spent nuclear fuel (SNF) constituents including U, Pu, dibutyl phosphate (DBP), and tributyl phosphate (TBP). Both positive and negative ion modes were…