Structural environment of Al dissolved in 2PbO.B2O3 glasses used for solution calorimetry: an 27Al NMR study.

R. Oestrike, A. Navrotsky, G. L. Turner, B. Montez, R. J. Kirkpatrick

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10 Scopus citations


The 27Al NMR spectroscopy of glassy 2PbO.B2O3 calorimetric fluxes containing from 1.0 to 23.8 mol.% Al (from dissolved alpha -Al2O3 or NaAlSi3O8 (albite) glass) shows that approx 92% of the Al is in four-fold coordination to oxygen (Al(4)), with the remainder mostly in six-fold coordination to oxygen (Al(6)) and that the chemical shifts and Al(4)/Al(6) ratios do not change measurably in this composition range. -J.A.Z.

Original languageEnglish (US)
Pages (from-to)788-791
Number of pages4
JournalAmerican Mineralogist
Issue number7-8
StatePublished - 1987
Externally publishedYes

ASJC Scopus subject areas

  • Geophysics
  • Geochemistry and Petrology


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