Concentration-Dependent Adsorption of CsI at the Muscovite-Electrolyte Interface

The interfacial structure of muscovite in contact with aqueous CsI solutions was measured using surface X-ray diffraction for several CsI concentrations (2-1000 mM). At CsI concentrations up to 200 mM, Cs+ adsorption is likely hindered by H3O+, as both cations compete for the adsorption site above t...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1999. - 34(2018), 13 vom: 03. Apr., Seite 3821-3826
1. Verfasser: Brugman, Sander J T (VerfasserIn)
Weitere Verfasser: Townsend, Eleanor R, Smets, Mireille M H, Accordini, Paolo, Vlieg, Elias
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2018
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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520 |a The interfacial structure of muscovite in contact with aqueous CsI solutions was measured using surface X-ray diffraction for several CsI concentrations (2-1000 mM). At CsI concentrations up to 200 mM, Cs+ adsorption is likely hindered by H3O+, as both cations compete for the adsorption site above the muscovite hexagonal cavity. Above this concentration, more Cs+ adsorbs than is required to compensate the negatively charged muscovite surface, which means that coadsorption of an anion takes place. The I- anion does not coadsorb in an ordered manner. Moreover, the hydration ring and water layers do not change significantly as a function of the CsI concentration 
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700 1 |a Smets, Mireille M H  |e verfasserin  |4 aut 
700 1 |a Accordini, Paolo  |e verfasserin  |4 aut 
700 1 |a Vlieg, Elias  |e verfasserin  |4 aut 
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