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Titolo:
Ion exchange of NH4-ferrierite with Co2+: ESCA study
Autore:
Jirka, I;
Indirizzi:
Acad Sci Czech Republ, J Heyrovsky Inst Phys Chem, CR-18223 Prague 8, Czech Republic Acad Sci Czech Republ Prague Czech Republic 8 3 Prague 8, Czech Republic
Titolo Testata:
JOURNAL OF PHYSICAL CHEMISTRY B
fascicolo: 6, volume: 105, anno: 2001,
pagine: 1140 - 1148
SICI:
1520-6106(20010215)105:6<1140:IEONWC>2.0.ZU;2-I
Fonte:
ISI
Lingua:
ENG
Soggetto:
DIFFUSE-REFLECTANCE SPECTROSCOPY; RAY PHOTOELECTRON-SPECTROSCOPY; PENTASIL-CONTAINING ZEOLITES; SELECTIVE REDUCTION; CATALYTIC REDUCTION; Y-ZEOLITE; METHANE; FERRIERITE; SITES; NOX;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
32
Recensione:
Indirizzi per estratti:
Indirizzo: Jirka, I Acad Sci Czech Republ, J Heyrovsky Inst Phys Chem, Dolejskova 5, CR-18223 Prague 8, Czech Republic Acad Sci Czech Republ Dolejskova 5 Prague Czech Republic 8 ublic
Citazione:
I. Jirka, "Ion exchange of NH4-ferrierite with Co2+: ESCA study", J PHYS CH B, 105(6), 2001, pp. 1140-1148

Abstract

The structural effects induced by ion exchange of NH4+ by Co2+ cations in the series of ferrierites were investigated by electron spectroscopy for chemical analysis (ESCA). The utility of the Auger parameter alpha' of framework Al for the estimation of the extent of ion exchange of NH4+ by Co2+ cations is demonstrated. The effect of framework --> Co2+ charge transfer on intensities of Al KLL Auger lines is discussed. The influence of coordination mode of Co2+ on the shape of Auger Co L-3 M4,5M4,5 spectra is shown.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 29/03/20 alle ore 15:05:29