Hydrated cation speciation at the muscovite (001)-water interface

Charged materials in aqueous systems interact according to their interfacial properties, typically described by the electrical double layer (EDL). Distributions of divalent metal cations at the muscovite (001)-solution interface observed using resonant anomalous X-ray reflectivity demonstrate an une...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1985. - 26(2010), 22 vom: 16. Nov., Seite 16647-51
1. Verfasser: Lee, Sang Soo (VerfasserIn)
Weitere Verfasser: Fenter, Paul, Park, Changyong, Sturchio, Neil C, Nagy, Kathryn L
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2010
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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520 |a Charged materials in aqueous systems interact according to their interfacial properties, typically described by the electrical double layer (EDL). Distributions of divalent metal cations at the muscovite (001)-solution interface observed using resonant anomalous X-ray reflectivity demonstrate an unexpected complexity with respect to the EDL structure. Three forms of adsorbed cations can coexist: the classical inner-sphere and outer-sphere complexes and a third "extended" outer-sphere complex located farther from the surface. Their relative proportions are controlled by the energy balance among cation hydration, interface hydration, and electrostatic attraction. Systematic trends in coverage and position establish the defining role of cation hydration in stabilizing the multiple coexisting species 
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700 1 |a Park, Changyong  |e verfasserin  |4 aut 
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700 1 |a Nagy, Kathryn L  |e verfasserin  |4 aut 
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