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Titolo:
ESR STUDIES OF NITROXYL RADICALS TEMPON AND M-DINITROBENZENE MOLECULES ADSORBED ON GAMMA-AL2O3
Autore:
KONOVALOVA TA; BEDILO AF; VOLODIN AM;
Indirizzi:
BORESKOV CATALYSIS INST NOVOSIBIRSK 630090 RUSSIA
Titolo Testata:
Reaction kinetics and catalysis letters
fascicolo: 1, volume: 51, anno: 1993,
pagine: 81 - 86
SICI:
0133-1736(1993)51:1<81:ESONRT>2.0.ZU;2-V
Fonte:
ISI
Lingua:
ENG
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
15
Recensione:
Indirizzi per estratti:
Citazione:
T.A. Konovalova et al., "ESR STUDIES OF NITROXYL RADICALS TEMPON AND M-DINITROBENZENE MOLECULES ADSORBED ON GAMMA-AL2O3", Reaction kinetics and catalysis letters, 51(1), 1993, pp. 81-86

Abstract

The adsorption of nitroxyl radicals TEMPON and m-dinitrobenzene (m-DNB) molecules on the donor and acceptor centers of gamma-Al2O3 has beenstudied. It is shown that ESR spectra of adsorbed TEMPON radicals at 100-300 K could be accounted for by the slow motions of these radicals(tau(corr)=1x10(-7) approximately 1.5x10(-8) s). The adsorption of m-dinitrobenzene on donor centers is accompanied by the appearance of radicals with similar ESR spectra. These particles are also assumed to be stabilized on the surface as nitroxyl radicals. A mechanism for their formation is suggested.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 01/10/20 alle ore 07:45:41