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- DOI: 10.1021/jp051774a
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Size Selective and Volume Exclusion Effects on Ion Transfer at the Silicalite Modified Liquid-Liquid Interface
Stephenson, Michael J; King, Andrew J; Holmes, Stuart M; Dryfe, Robert A
J. Phys. Chem. B FIELD Full Journal Title:Journal of Physical Chemistry B. 2005;109(41):19377-19384.
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Full-text held externally
- DOI: 10.1021/jp051774a
Abstract
The modification of the liq./liq. interface with membranes of silicalite, a neutral framework zeolite, is used to extend the potential window. This feature allows the observation of the transfer of extremely hydrophilic ions, due to the size-exclusion of org. ions from the interior of the zeolitic framework. Similarly, vol. exclusion effects are shown to affect facilitated ion transfer processes involving alkali metal cations. In contrast, proton transfer is largely unaffected by the presence of the zeolite, which is suggestive of more rapid diffusion processes within the interior of the framework. The technique of liq./liq. electrochem. should allow the measurement of soln. phase transport parameters for ions within microporous hosts. [on SciFinder (R)]
Keyword(s)
Cation exchange; Liquid-liquid interface (size selective and vol. exclusion effects on ion transfer at silicalite modified liq.-liq. interface) ; Silicalites Role: NUU (Other use, unclassified), PEP (Physical, engineering or chemical process), PYP (Physical process), PROC (Process), USES (Uses) (size selective and vol. exclusion effects on ion transfer at silicalite modified liq.-liq. interface) ; Size effect; Volume (vol. effect; size selective and vol. exclusion effects on ion transfer at silicalite modified liq.-liq. interface) ; size vol selective ion transfer silicalite liq liq interface
Bibliographic metadata
- CAN 143:466882 66-4 Surface Chemistry and Colloids Journal 1520-6106 written in English. 107-06-2 (1,2-Dichloroethane); 7732-18-5 (Water) Role: NUU (Other use, unclassified), USES (Uses) (liq.; size selective and vol. exclusion effects on ion transfer at silicalite modified liq.-liq. interface); 7439-93-2 (Lithium) Role: PEP (Physical, engineering or chemical process), PYP (Physical process), PROC (Process) (lithium (I) ion; size selective and vol. exclusion effects on ion transfer at silicalite modified liq.-liq. interface); 7440-09-7 (Potassium) Role: PEP (Physical, engineering or chemical process), PYP (Physical process), PROC (Process) (potassium (I) ion; size selective and vol. exclusion effects on ion transfer at silicalite modified liq.-liq. interface); 12408-02-5 (Hydrogen ion) Role: PEP (Physical, engineering or chemical process), PYP (Physical process), PROC (Process) (size selective and vol. exclusion effects on ion transfer at silicalite modified liq.-liq. interface); 7440-23-5 (Sodium) Role: PEP (Physical, engineering or chemical process), PYP (Physical process), PROC (Process) (sodium (I) ion; size selective and vol. exclusion effects on ion transfer at silicalite modified liq.-liq. interface)