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Fourier-transform Infrared Emission Spectroscopy of Kaolinite Dehydroxylation

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Progress in Fourier Transform Spectroscopy

Part of the book series: Mikrochimica Acta Supplement ((MIKROCHIMICA,volume 14))

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Abstract

The dehydroxylation of kaolinite has been investigated by Fourier-transform in situ infrared emission spectroscopy from 100 to 800 °C at 5 degree intervals. The major advantage lies in the ability to obtain vibrational spectroscopic information in situ at the elevated temperature. Dehydroxylation was determined by the loss of intensity of the hydroxyl bands in the 3550–3750 cm-1 emission spectra. No clay phase changes occur until after dehydroxylation takes place. The kaolinite layers lose their outer and inner hydroxyl groups simultaneously. It is proposed that the kaolinite dehydroxylation process takes place homogeneously and involves two mechanisms.

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References

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Author information

Authors and Affiliations

  1. Centre for Instrumental and Developmental Chemistry, Queensland University of Technology, 2 George Street, GPO Box 2434, Brisbane, Q 4001, Australia

    Ray L. Frost

  2. CSIRO Division of Coal and Energy Technology, PO Box 136, North Ryde, NSW 2113, Australia

    Anthony M. Vassallo

Authors
  1. Ray L. Frost
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  2. Anthony M. Vassallo
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Editor information

Editors and Affiliations

  1. Department of Analytical Chemistry, University of Veszprém, Veszprém, Hungary

    János Mink

  2. Institute of Isotopes, Hungarian Academy of Sciences, Budapest, Hungary

    János Mink

  3. Central Research Institute of Chemistry, Hungarian Academy of Sciences, Budapest, Hungary

    Gábor Keresztury

  4. Institut für Analytische Chemie, Technische Universität Wien, Wien, Austria

    Robert Kellner

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© 1997 Springer-Verlag Wien

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Frost, R.L., Vassallo, A.M. (1997). Fourier-transform Infrared Emission Spectroscopy of Kaolinite Dehydroxylation. In: Mink, J., Keresztury, G., Kellner, R. (eds) Progress in Fourier Transform Spectroscopy. Mikrochimica Acta Supplement, vol 14. Springer, Vienna. https://doi.org/10.1007/978-3-7091-6840-0_209

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  • DOI: https://doi.org/10.1007/978-3-7091-6840-0_209

  • Publisher Name: Springer, Vienna

  • Print ISBN: 978-3-211-82931-8

  • Online ISBN: 978-3-7091-6840-0

  • eBook Packages: Springer Book Archive

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