Search results for "Adsorption potential"

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Ettringite surface chemistry: Interplay of electrostatic and ion specificity

2011

International audience; This paper presents a detailed experimental study combined with Monte Carlo (MC) simulations within the primitive model of the physical chemistry at the ettringite-water interface over a wide range of pH and bulk conditions for which ettringite exists thanks to its solubility in aqueous solutions. Ettringite, which is an important phase in hydrated cement-based systems, bears a permanent and positive structural charge. In contrast with previous studies, electrokinetic measurements together with the careful chemical analysis of the equilibrium solutions of the dispersions have brought strong support to designate sulfate as being the ion determining the potential. Simu…

ElectrophoresisEttringiteSurface PropertiesStatic Electricity02 engineering and technology010402 general chemistryEttringite01 natural sciencesMonte Carlo simulationsIonBiomaterialschemistry.chemical_compoundElectrokinetic phenomenaColloid and Surface ChemistryPhase (matter)Computer SimulationSulfateSolubilityIonsMineralsAqueous solutionSulfatesChemistryAdsorption potentialWaterHydrogen-Ion Concentration021001 nanoscience & nanotechnologyElectrostaticsSulfate0104 chemical sciencesSurfaces Coatings and FilmsElectronic Optical and Magnetic Materials[ PHYS.PHYS.PHYS-CHEM-PH ] Physics [physics]/Physics [physics]/Chemical Physics [physics.chem-ph]Models ChemicalChemical physicsPhysical chemistry[PHYS.PHYS.PHYS-CHEM-PH]Physics [physics]/Physics [physics]/Chemical Physics [physics.chem-ph]0210 nano-technologyMonte Carlo MethodJournal of Colloid and Interface Science

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