XE-129 NMR-SPECTRUM OF XENON IN THE ALPHA-CAGE OF ZEOLITE A DURING HYDRATION AND ION-EXCHANGE
Xenon was forced into the alpha-cage of dehydrated NaA zeolite by heating to 523 K, with sufficiently high pressure of xenon (e.g., 14 atm) to increase the xenon concentration. After the sample was cooled to room temperature, the xenon was isolated as occluded in the zeolite cage. The Xe-129 NMR spectra for such occluded xenon showed remarkable changes in the line shape and the chemical shift during hydration and ion exchange of the zeolite, serving as an in-situ internal probe.
- Publisher
- AMER CHEMICAL SOC
- Issue Date
- 1993-04
- Language
- English
- Article Type
- Article
- Keywords
NUCLEAR MAGNETIC-RESONANCE; NA-A ZEOLITE; AROMATIC-MOLECULES; Y ZEOLITE; METAL; SPECTROSCOPY; CAVITIES; SOLIDS
- Citation
JOURNAL OF PHYSICAL CHEMISTRY, v.97, no.16, pp.4124 - 4127
- ISSN
- 0022-3654
- Appears in Collection
- CH-Journal Papers(저널논문)
- Files in This Item
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