Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 29: Issue 4
The measurement of meaningful activation energies
Using thermoanalytical methods. A tentative proposal
Authors:
M. Reading Centre de Recherches de Microcalorimetrie et de Thermodynamique du C. N. R. S. 26 Rue du 141° R. I. A. 13003 Marseille France

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,
D. Dollimore

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J. Rouquerol Centre de Recherches de Microcalorimetrie et de Thermodynamique du C. N. R. S. 26 Rue du 141° R. I. A. 13003 Marseille France

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F. Rouquerol Centre de Recherches de Microcalorimetrie et de Thermodynamique du C. N. R. S. 26 Rue du 141° R. I. A. 13003 Marseille France

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Pages:
775–785
Online Publication Date:
24 Jul 2005
Publication Date:
01 Jul 1984
Article Category:
Research Article
DOI:
https://doi.org/10.1007/bf01913536
Restricted access

The uncertainty surrounding the significance of the measured kinetic parameters of solid state decomposition reactions is discussed briefly. Some suggestions are made about what precautions should be taken in order to favour the measurement of undistorted results. Some criteria are proposed for deciding whether a measuredE value can be considered to have its usual meaning. The results of a series of experiments aimed at measuring the activation energy of the decomposition of calcium carbonate using a variety of methods, sample sizes and experimental conditions are presented. These results are compared with results found in the literature and it is concluded that it is possible to measure a reproducible value forE and it is tentatively proposed that this value is meaningful in terms of the energy barrier model of chemical reaction kinetics.

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Cover Journal of Thermal Analysis and Calorimetry
Journal of Thermal Analysis and Calorimetry
Print ISSN:
1388-6150
Online ISSN:
1572-8943

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation		 1969
Volumes
per Year		 1
Issues
per Year		 24
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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