27Al double-rotation NMR study of Al2SiO5polymorph minerals
โ Scribed by Z. Xu; B. L. Sherriff
- Book ID
- 113000934
- Publisher
- Springer Vienna
- Year
- 1993
- Tongue
- English
- Weight
- 386 KB
- Volume
- 4
- Category
- Article
- ISSN
- 0937-9347
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๐ SIMILAR VOLUMES
The 27Al NMR spectra of calcium tungstate aluminate sodalite (CAW), Ca8[Al12O24](WO4)2, and the 23Na NMR spectra of sodium aluminosilicate sodalites of general composition Na9[Si6Al6O24]A2 with A = B(OH)4- (SBS), SCN- (SRS) and A2 = SO4(2-) (SSS), MoO4(2-) (SMS) have been measured using magic-angle
Al MAS NMR spectra from two poiymorphs of AlaSi05, kyanite and andalusite, are presented. Unambiguous extraction of quadrupole interactions of up to 15.5 MHz (= C,=e2gQ/h) are possible from fast MAS( > 18 kHz) NMR spectra obtained at an applied magnetic field of 11.7 T. It is shown from a knowledge