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Thermal behavior of alkali metal azides in NaY-FAU zeolite

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Abstract

The thermal behavior of pure alkali metal azides and their mechanical mixtures with NaY-FAU zeolite was investigated by means of thermogravimetry and IR spectroscopy. LiN3, KN3, RbN3 and CsN3 were prepared from NaN3 by ion-exchange. The pure azides exhibited low thermal stability, hindering the precise spectroscopic characterization in some cases. The decomposition of each azide in the zeolite took place above the temperature characteristic for the pure azide, demonstrating the stabilization of the azide in the zeolite cavities. This feature was the only common characteristic established for the azide/zeolite systems.

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Authors and Affiliations

  1. Applied Chemistry Department, József Attila University, H-6720, Szeged, Hungary

    A. Béres, I. Hannus & I. Kiricsi

Authors
  1. A. Béres
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  2. I. Hannus
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  3. I. Kiricsi
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Additional information

The financial support of the National Science Foundation of Hungary (OTKA 1604/91) is gratefully acknowledged.

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Béres, A., Hannus, I. & Kiricsi, I. Thermal behavior of alkali metal azides in NaY-FAU zeolite. Journal of Thermal Analysis 46, 1301–1311 (1996). https://doi.org/10.1007/BF01979244

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  • DOI: https://doi.org/10.1007/BF01979244

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