Determination of line intensities of 27Al in A12O3 by Solid-State NMR
β Scribed by P.P Man; R Couty; J Fraissard
- Publisher
- Elsevier Science
- Year
- 1990
- Weight
- 267 KB
- Volume
- 86
- Category
- Article
- ISSN
- 0022-2364
No coin nor oath required. For personal study only.
π SIMILAR VOLUMES
## Hgh -resolutton 27Al NhlR spectra of polycrystalhne alumrnntes have been studled at 70 4 hfHz hlaglc-angle spummg was used to reduce quadrupole effects and dlpolar mtenctlon. The isotropic \*'Al chenuul shrfts depend mamly on the AI-O coordmatlon For Al-O tetrahedra stufts of 55 to 80 ppm were
Solid-state nuclear magnetic resonance spectroscopy (SSNMR) line widths were measured for various ibuprofen preparations, including crystallization from different solvents (acetone, acetonitrile, methanol), melt-quenching, manual grinding, cryogrinding, compacting, and by blending with various excip
Solid-state I3C NMR spectra of "N-containing compounds obtained under CPMAS conditions often show asymmetric doublets arising from the unaveraged l3C,l4N residual dipolar coupling. A similar result has recently been noticed in deuteriated samples, whose "C resonances showed the combined effect of %,