Comparative study of the active sites in zeolites by different probe molecules
Author(s) -
V. Dondur,
Vesna Rakić,
Ljiljana Damjanović-Vasilić,
Aline Auroux
Publication year - 2005
Publication title -
journal of the serbian chemical society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.227
H-Index - 45
eISSN - 1820-7421
pISSN - 0352-5139
DOI - 10.2298/jsc0503457d
Subject(s) - adsorption , desorption , chemistry , hexane , molecule , zeolite , thermal desorption spectroscopy , calorimetry , inorganic chemistry , organic chemistry , catalysis , thermodynamics , physics
This review summarizes some of the recently published results concerning the acid sites in the zeolites ZSM-5 and Y studied by temperature-programmed desorption (TPD) and adsorption calorimetry using different probe molecules NH3, CO, N2 Oa ndn-hexane. For the first time it has been shown that the acid sites in hy- drated zeolites are accessible for n-hexane adsorption.
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