Characterization of Acid Sites in Zeolitic and Other Inorganic Systems Using Solid-State 31 P NMR of the Probe Molecule Trimethylphosphine Oxide
β Scribed by Rakiewicz, Edward F.; Peters, Alan W.; Wormsbecher, Richard F.; Sutovich, Kevin J.; Mueller, Karl T.
- Book ID
- 126968901
- Publisher
- American Chemical Society
- Year
- 1998
- Tongue
- English
- Weight
- 123 KB
- Volume
- 102
- Category
- Article
- ISSN
- 0022-3654
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π SIMILAR VOLUMES
The BrΓΈnsted acidity of H-mordenite (H-MOR) and H-b with similar Si/Al ratios has been characterized by conventional multinuclear solid-state NMR. 1 H/ 27 Al TRAPDOR NMR showed the presence of at least two different types of BrΓΈnsted acid sites in H-b. On the other hand, only a single 1 H resonance
Crystalline solids with highly structured micro-scale pores are called zeolites. Their well-defined structure and large contact surface make them extremely useful as catalysts. Their most common use is in washing powders. Different features are caused by the shape and size of the pores and the prese