Skip to main content
SpringerLink
Log in

Determination of kinetic parameters in TG and DSC by means of direct overall evaluation of simple and complex reactions

  • Theory and Kinetics
  • Published:
Journal of Thermal Analysis Aims and scope Submit manuscript

Abstract

For kinetic evaluation by TG and DSC of simple and complex reactions we used a direct fit on the basis of TG differential equations and DSC non-linear equations. The advantages of an overall evaluation, i.e. the simultaneous inclusion of all data sets at different heating rates, are described. TG and DSC measurements of the dehydration of calcium oxalate monohydrate and the decomposition of calcium oxalate are used as examples.

Zusammenfassung

Zur kinetischen Auswertung von einfachen und komplexen Reaktionen mittels TG und DSC wird auf der Grundlage von TG Differentialgleichungen und nichtlinearen DSC-Gleichungen ein direktes Fitting vorgenommen. Die Vorteile einer Gesamtauswertung, d.h. die gleichzeitige Einbeziehung aller Daten-Sets bei verschiedenen Aufheizgeschwindigkeiten, werden beschrieben. Als Beispiel werden TG- und DSC-Messungen bei der Dehydration von Calciumoxalat-Monohydrat und der Zersetzung von Calciumoxalat verwendet.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Log in via an institution

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

Similar content being viewed by others

References

  1. J. Mentel and H. Anderson, Thermochim. Acta. 187 (1991) 121.

    Article  CAS  Google Scholar 

  2. J. Opfermann G. Wilke, J. Jung, W. Ludwig, S. Hagen, M. Gebhardt and E. Kaisersberger, Thermische Analysenerfahren in Industrie und Forschung, Fridrich-Schiller-Universität Jena 1991, pp. 51–79.

    Google Scholar 

  3. J. J. Moore, Numerical Analysis, G. A. Watson (ed.), Lecture Notes in Mathematics, 630, New York 1978, pp. 105–116.

  4. Y. Masuda, Y. Ito, R. Ito and K. Iwata, Themochim. Acta, 199 (1986) 205.

    Article  Google Scholar 

  5. H. Anderson, Thermochim. Acta, 203 (1992) 515.

    Article  CAS  Google Scholar 

Download references

Author information

Authors and Affiliations

  1. Department of Chemistry, University of Greifswald, Soldtmannstr. 23, 0-2200, Greifswald, Germany

    J. Mentel & H. Anderson

Authors
  1. J. Mentel
    View author publications

    You can also search for this author in PubMed Google Scholar

  2. H. Anderson
    View author publications

    You can also search for this author in PubMed Google Scholar

Rights and permissions

Reprints and permissions

About this article

Cite this article

Mentel, J., Anderson, H. Determination of kinetic parameters in TG and DSC by means of direct overall evaluation of simple and complex reactions. Journal of Thermal Analysis 40, 1307–1312 (1993). https://doi.org/10.1007/BF02546894

Download citation

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/BF02546894

Keywords

Search

Navigation