Characterization of Synthetic and Naturally Occurring Clays by 27Al and 29Si Magic‐Angle Spinning NMR Spectroscopy

Sridhar Komarneni, Colin A. Fyfe, Gordon J. Kennedy, Harold Strobl

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Magic‐angle spinning nuclear magnetic resonance (MASNMR) spectroscopy (27Al) detected the coordination of Al in clays containing as little as 0.26% Al2O3. The 29Si MASNMR of fluorphlogopite showed three distinct Si chemical environments which suggested short‐range ordering. Synthetic laponite and mica‐montmorillonite showed broad 29Si resonances indicative of short‐range disorder. A saponite showed four 29Si resonances. Considerable insight into the short‐range ordering of clays can be gained by 27Al and 29Si MASNMR.

Original languageEnglish (US)
Pages (from-to)C‐45-C‐47
JournalJournal of the American Ceramic Society
Issue number3
StatePublished - Jan 1 1986

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Materials Chemistry

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