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NMR EVIDENCE FOR 5-COORDINATED AND 6-COORDINATED ALUMINUM FLUORIDE COMPLEXES IN F-BEARING ALUMINOSILICATE GLASSES
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UNSPECIFIED (1991) NMR EVIDENCE FOR 5-COORDINATED AND 6-COORDINATED ALUMINUM FLUORIDE COMPLEXES IN F-BEARING ALUMINOSILICATE GLASSES. [Journal Item]
Full text not available from this repository.Abstract
Anhydrous glasses of jadeite + NaF and jadeite + cryolite compositions were quenched from melts at 1250-degrees-C and 3.0-3.5 kbar. F-19 to Al-27 cross-polarization MAS-NMR experiments at a magnetic field of 8.45 T and single pulse Al-27 MAS-NMR experiments at 14.1 T demonstrated the presence of [4]Al, [5]Al, and [6]Al in both glasses. The [5]Al is thought to be present in AlF5(2-) complexes, a previously unknown species.
| Item Type: | Journal Item |
|---|---|
| Subjects: | Q Science > QE Geology |
| Journal or Publication Title: | AMERICAN MINERALOGIST |
| Publisher: | MINERALOGICAL SOC AMER |
| ISSN: | 0003-004X |
| Date: | January 1991 |
| Volume: | 76 |
| Number: | 1-2 |
| Number of Pages: | 4 |
| Page Range: | pp. 309-312 |
| Publication Status: | Published |
| URI: | http://wrap.warwick.ac.uk/id/eprint/22773 |
Data sourced from Thomson Reuters' Web of Knowledge
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