Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 58: Issue 2
Calorimetric Reaction Rate Determination with the Characteristic Kinetic Parameter Method
Authors:
Y.-Q. Zhang Sichuan University Department of Chemistry Chengdu 610064 P. R. China Chengdu 610064 P. R. China

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X.-C. Zeng Sichuan University Department of Chemistry Chengdu 610064 P. R. China Chengdu 610064 P. R. China

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Y. Chen Sichuan University Department of Chemistry Chengdu 610064 P. R. China Chengdu 610064 P. R. China

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X.-G. Meng Sichuan University Department of Chemistry Chengdu 610064 P. R. China Chengdu 610064 P. R. China

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A.-M. Tian Sichuan University Department of Chemistry Chengdu 610064 P. R. China Chengdu 610064 P. R. China

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Pages:
463–475
Online Publication Date:
25 Oct 2004
Publication Date:
25 Nov 1999
Article Category:
Research Article
DOI:
https://doi.org/10.1023/a:1010179927410
Keywords:
characteristic parameter method; reaction order; simple-order reactions; thermokinetic research method
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Abstract  

On the basis of the theory of thermokinetics proposed in the literature, a novel thermokinetic method for determination of the reaction rate, the characteristic parameter method, is proposed in this paper. Mathematical models were established to determine the kinetic parameters and rate constants. In order to test the validity of this method, the saponifications of ethyl benzoate, ethyl acetate and ethyl propionate, and the formation of hexamethylenetetramine were studied with this method. The rate constants calculated with this method are in agreement with those in the literature, and the characteristic parameter method is therefore believed to be correct.In the light of the characteristic parameter method, we have developed further two thermo-kinetic methods, the thermoanalytical single and multi-curve methods, which are convenient for simultaneous determination of the reaction order and the rate constant. The reaction orders and rate constants of the saponifications of ethyl acetate and ethyl butyrate and the ring-opening reaction of epichlorohydrin with hydrobromic acid were determined with these methods, and their validity was verified by the experimental results.

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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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