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Role of zeolite non-framework aluminium in catalytic cracking

✍ Scribed by S.W. Addison; S. Cartlidge; D.A. Harding; G. McElhiney


Book ID
118056454
Publisher
Elsevier Science
Year
1988
Weight
789 KB
Volume
45
Category
Article
ISSN
0166-9834

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Quantitative high-resolution 27Al NMR: t
✍ A. Samoson; E. Lippmaa; G. Engelhardt; U. Lohse; H.-G. Jerschkewitz πŸ“‚ Article πŸ“… 1987 πŸ› Elsevier Science 🌐 English βš– 344 KB

A new type of aluminium in hydrothermally treated Y and ZSM-5 zeolites has been detected by high-field "Al NMR, using very fast sample spinning and two-dimensional NMR spectroscopic techniques. From the isotropic chemical shift the fourfold coordination, and from the line intensity the non-framework