High-resolution and cross-polarization magic angle spinning NMR studies of tricarbonylchromium complexes with polycyclic aromatic ligands
โ Scribed by Yu. F. Oprunenko
- Book ID
- 110389793
- Publisher
- Springer
- Year
- 2002
- Tongue
- English
- Weight
- 561 KB
- Volume
- 51
- Category
- Article
- ISSN
- 1573-9171
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๐ SIMILAR VOLUMES
An experiment is presented that combines the multiple-quantum magic-angle spinning (MQMAS) technique with cross-polarization (CP). As a preliminary test of this new method, we measured and compared the '7Al 3QMAS and 19 F --f \*'Al CP 3QMAS spectra of a fluorinated AIPO, aluminophosphate. Complete
H-27Al cross-polarization magic-angle spinning (PC/MA.?) NMR has been used to monitor selectively the non-framework aluminium (AINF) species in dealuminated zeolite Y (Si/AI=4.0-14). \*'AI quadrupole nutation with fast ( 12.5 kHz) MASand radiofrequency excitation fields up to 220 kHz reveals resonan