Low-temperature adsorption of N2, O2, and D2 on LiX, NaX, and NaLiX zeolites studies by FT-IR spectroscopy
Article Abstract:
The results of a study of interaction-induced vibrational spectra for nitrogen, oxygen and deuterium molecules adsorbed on X-form zeolites at 77K, using FT-IR spectroscopy, are presented.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2000
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FT-IR study of carbon monoxide adsorption of Li-exchanged zeolite X
Article Abstract:
Carbon monoxide adsorption of LiX-1.0 zeolite ([Li96.(Si96Al96O384)]-FAU, Si/Al = 1.0) was studied by means of FT-IR spectroscopy at a wide temperature range to investigate the nature and properties of adsorption sites. It is shown that the existence of two slightly different adsorption centers in LiX-1.0 zeolite at room and low temperatures.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2003
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2H-{1H} CPMAS NMR of guest-host species in zeolites: an experimental study
Article Abstract:
As-made all-silica zeolites were used to examine the feasibility of 2H-{1H} cross-polarization magic-angle spinning (CPMAS) NMR and its applicability in heteronuclear correlation spectroscopy (HECTOR) experiments. Results showed that 2H-{1H} CPMAS and 2H-{1H} HECTOR can be employed successfully to study the spatial ordering of the organic and inorganic charge centers in as-made zeolites. The effects on the NMR spectra by experimental and physical parameters, such as spin rate, 1H homonuclear dipole-dipole coupling, RF strengths and the magnitude of the quadruploe coupling constants, were also investigated.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 1999
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