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Titolo:
1-pK and 2-pK protonation models in the theoretical description of simple ion adsorption at the oxide/electrolyte interface: A comparative study of the behavior of the surface charge, the individual isotherms of ions, and the accompanying electrokinetic effects
Autore:
Piasecki, W; Rudzinski, W; Charmas, R;
Indirizzi:
Marie Curie Sklodowska Univ, Fac Chem, Dept Theoret Chem, PL-20031 Lublin,Poland Marie Curie Sklodowska Univ Lublin Poland PL-20031 L-20031 Lublin,Poland Polish Acad Sci, Inst Catalysis & Surface Chem, Lab Theoret Problems Adsorpt, PL-30239 Krakow, Poland Polish Acad Sci Krakow Poland PL-30239 Adsorpt, PL-30239 Krakow, Poland
Titolo Testata:
JOURNAL OF PHYSICAL CHEMISTRY B
fascicolo: 40, volume: 105, anno: 2001,
pagine: 9755 - 9771
SICI:
1520-6106(20011011)105:40<9755:1A2PMI>2.0.ZU;2-F
Fonte:
ISI
Lingua:
ENG
Soggetto:
SOLID-SOLUTION INTERFACE; OXIDE-WATER INTERFACE; ELECTRICAL DOUBLE-LAYER; ELECTROLYTE INTERFACE; METAL-OXIDE; COMPLEXATION; (HYDR)OXIDES; IONIZATION; HETEROGENEITY; ANATASE;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
28
Recensione:
Indirizzi per estratti:
Indirizzo: Rudzinski, W Marie Curie Sklodowska Univ, Fac Chem, Dept Theoret Chem, Pl Marii Curie Sklodowskiej 3, PL-20031 Lublin, Poland Marie Curie Sklodowska Univ Pl Marii Curie Sklodowskiej 3 Lublin Poland PL-20031
Citazione:
W. Piasecki et al., "1-pK and 2-pK protonation models in the theoretical description of simple ion adsorption at the oxide/electrolyte interface: A comparative study of the behavior of the surface charge, the individual isotherms of ions, and the accompanying electrokinetic effects", J PHYS CH B, 105(40), 2001, pp. 9755-9771

Abstract

A number of adsorption models have been considered corresponding to various combinations of the 1-pK and 2-pK charging models, with various models ofthe oxide/electrolyte interface structure. The corresponding, theoretical descriptions have been developed, along with the relations between the equilibrium constants, suggested by the appearance of the common intersection point. The equations developed for various adsorption models have been applied then to analyze the behavior of the surface charge, individual isothermsof ions, and electrokinetic data reported by Sprycha for the anatase/NaCl solution system. No decisive proof has been deduced in favor of either the 1-pK or 2-pK charging mechanism, but certain important conclusions have been drawn concerning the applicability of various adsorption models. It was shown that to arrive at a reasonable theoretical description, the assumed model of surface charging must necessarily be combined with a certain model of the oxide/electrolyte interface structure.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 23/09/20 alle ore 11:42:07