27Al Magic-angle spinning nuclear magnetic resonance spectroscopic study of the conversion of basic dicarboxylate aluminium(III) complexes to alumina and aluminium nitride
β Scribed by Jung, Woo-Sik; Ahn, Sang-Kyeung; Kim, Dong-Chun
- Book ID
- 125521920
- Publisher
- Royal Society of Chemistry
- Year
- 1998
- Tongue
- English
- Weight
- 146 KB
- Volume
- 8
- Category
- Article
- ISSN
- 0959-9428
- DOI
- 10.1039/A802578I
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27Al nuclear magnetic resonance spectra of polycrystalline aluminium borate 9Al2O3.2B2O3 have been measured in double rotation at 11.7 and 7.0 T and high-speed magic-angle spinning at 7.0, 9.4, 11.7, 14.1 and 17.6 T. Spinning sidebands from the satellite transitions were observed at 7.0 and 14.1 T.
## 29 27 Ε½ . We report the application of Si and Al magic angle spinning nuclear magnetic resonance MAS NMR studies on building stones from historical monuments to obtain direct information about the degree of degradation and to observe the Ε½ . changes in the consolidated material after treatment w