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Kinetic analysis of thermogravimetric data

XXVIII Thermal decomposition of some metal and ammonium salts of hexabromoplatinic acid

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Abstract

The potassium, ammonium and thirteen amine salts of hexabromoplatinic acid were obtained and characterized by chemical analysis. The thermal decompositions of these complex salts were studied by derivatograph and differential scanning calorimetry. The natures of the pyrolysis processes are discussed and compared with those obtained for the analogous chlorocomplexes. From the TG curves, kinetic parameters were derived for different stages of the thermal decomposition.

Zusammenfassung

Es wurden die Kalium-, Ammonium- und dreizehn verschiedene Aminsalze von Hexabromoplatinsäure hergestellt und mittels Elementaranalyse charakterisiert. Mittels Derivatographie und DSC wurde die thermische Zersetzung dieser Komplexsalze untersucht. Das Wesen der Pyrolysevorgänge wird besprochen und mit dem der analogen Chlorokomplexe verglichen. Anhand der TG-Kurven wurden für verschiedene Schritte der thermischen Zersetzung kinetische Parameter ermittelt.

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Authors and Affiliations

  1. Faculty of Chemistry, Technical University, H-1521, Budapest, Hungary

    G. Liptay & Cs. Novák

  2. Faculty of Chemical Technology, ‘Babes-BolyaI’ University, Arany János Street 11, R-3400, Cluj, Romania

    J. Zsakó

  3. Deptment of Natural Sciences and Mathematics, Transylvanian Museum Association, Cluj, Romania

    Cs. Várhelyi

Authors
  1. G. Liptay
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  2. J. Zsakó
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  3. Cs. Várhelyi
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  4. Cs. Novák
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Liptay, G., Zsakó, J., Várhelyi, C. et al. Kinetic analysis of thermogravimetric data. Journal of Thermal Analysis 38, 2301–2310 (1992). https://doi.org/10.1007/BF02123983

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  • DOI: https://doi.org/10.1007/BF02123983

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