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ChemInform Abstract: Multinuclear Solid-State NMR Studies of Acidic and Non-Acidic Hydroxyl Protons in Zeolites

✍ Scribed by M. HUNGER


Book ID
112034845
Publisher
John Wiley and Sons
Year
2010
Weight
24 KB
Volume
27
Category
Article
ISSN
0931-7597

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πŸ“œ SIMILAR VOLUMES


Solid-state NMR studies of the geometry
✍ Dieter Freude; Jacek Klinowski; Halimaton Hamdan πŸ“‚ Article πŸ“… 1988 πŸ› Elsevier Science 🌐 English βš– 673 KB

H 2'AI and %i solid-state NMR was used to determine the geometry of the Brsnsted acid site in zeolites. The mean distance between acidic protons in bridging hydroxyl groups and the nearest framework Al atom is 2.38 ? 0.04 8, in zeolite H-Y and 2.48 2 0.04 A in H-ZSM-5. The quadrupole frequency of fr