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Formation of benzene clusters in Y-type zeolites: An infrared study

โœ Scribed by Patrick J. O'Malley

Publisher
Elsevier Science
Year
1990
Tongue
English
Weight
216 KB
Volume
166
Category
Article
ISSN
0009-2614

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โœฆ Synopsis

Infrared spectra of benzene adsorbed on NaHY zeolites are interpreted in terms of clustering of benzene molecules at high coverages resulting in infrared spectral characteristics similar to the condensed state. SII Na+ ions are shown to facilitate cluster formation.

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A new ESR signal has been observed in y-irradiated Y-type zeolite, the Naf ions of which have been exchanged by divalent cations such as Mgzf or Ca\*+. Its ESR parameters are as follows: gt = 2.0065,ga = 2.0060 andgs = 2.0021 k 0.0002 and Ct = 41. C2 = 42.5 and C3 = 73 + 0.5 Oe for hlgY samples andg