Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 69: Issue 2
Characteristic parameter method for studying kinetics of opposing reactions in calorimeter
Authors:
Y. Chen Logistical Engineering University Department of Applied Oil Engineering Chongqing 400016 P. R. China Chongqing 400016 P. R. China

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H. Yan Logistical Engineering University Department of Applied Oil Engineering Chongqing 400016 P. R. China Chongqing 400016 P. R. China

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B. Zhang Logistical Engineering University Department of Applied Oil Engineering Chongqing 400016 P. R. China Chongqing 400016 P. R. China

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

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Pages:
647–658
Online Publication Date:
02 Nov 2004
Publication Date:
25 Aug 2002
Article Category:
Research Article
DOI:
https://doi.org/10.1023/a:1019932411589
Keywords:
thermokinetics; calorimetry; characteristic parameter method; opposing reactions
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Abstract  

According to the theoretical basis of thermokinetics, the integral and differential thermokinetic equations of opposing reactions have been derived, and a novel thermokinetic research method, the characteristic parameter method for opposing reactions which taking place in a batch conduction calorimeter under isothermal condition, has been proposed in this paper. Only needing the characteristic thermoanalytical data corresponding to tm and 2tm from the same curve, the rate constants of forward and backward reactions and equilibrium constant can be calculated simultaneously with this method. In order to test the validity of this method, the proton-transfer reactions of nitroethane with ammonia at 15 and 25°C, and with trihydroxymethyl aminomethane (Tris) at 15 and 30°C have been studied, respectively. The results of rate constants and equilibrium constants calculated with this method are in agreement with those in the literature. Therefore, the characteristic parameter method for opposing reaction is believed to be correct.

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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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