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Local Ca-Mg distribution of Mg-rich pyrope-grossular garnets synthesized at different temperatures revealed by 29Si MAS NMR spectroscopy
Local Ca-Mg distribution Mg-rich pyrope-grossular garnets synthesized different temperatures revealed 29Si MAS NMR spectroscopy
2012/4/1
Pyrope-grossular solid solutions, (Mg,Ca) Al Si O , of composition Py Gr and Py Gr were3 2 3 12 85 15 75 25
synthesized at 1000, 1200, and 1400 ?C and 30 kbars in a piston-cylinder device. The synt...
23Na, 29Si, and 71Ga MAS-NMR spectroscopy of synthetic gallian-fluor-amphiboles
synthetic gallian-fluor-amphiboles magic-angle-spinning nuclear magnetic resonance
2012/3/31
A magic-angle-spinning nuclear magnetic resonance (MAS NMR) spectroscopic study was done
on the series of synthetic gallian-fluor amphiboles to identify the extent of Ga and Si ordering in the
Si MA...
Fe ordering in kaolinite: Insights from 29Si and 27Al MAS NMR spectroscopy
Fe ordering kaolinite Insights 29Si 27Al MAS NMR spectroscopy
2012/4/5
Kaolinite-richsamples wereselectedfor 27 Aland 29SiMASNMRstudy to explore the effectofFeontheir spectraandprovide insight into the nature ofFeorderingin kaolinite. Initial characterization bychemicala...