Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 61: Issue 1
Thermokinetic Research Method for Simple-order Reactions. Double-thermoanalytical curve method
Authors: Y. Chen 1 , H. Wang 1 , X. Meng 1 , X. Zeng 1 , and J. Xie 2
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  • 1 Sichuan University Department of Chemistry Chengdu 610064 P. R. China Chengdu 610064 P. R. China
  • 2 Zigong Teachers College Department of Chemistry Zigong 634000 P.R. China Zigong 634000 P.R. China
DOI:
https://doi.org/10.1023/a:1010193531369
Page Count:
219–228
Publication Date:
01 Jul 2000
Online Publication Date:
02 Nov 2004
Article Category:
Research Article
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Abstract  

A novel thermokinetic research method for determination of the rate constant of a reaction taking place in a batch conduction calorimeter under isothermal conditions is proposed: the double-thermoanalytical curve method. The method needs only the characteristic time parameter tm, the peak height Δm at time tm and the peak area a*m after time tm for two thermoanalytical curves measured with different initial concentrations of the reactants: it conveniently calculates the rate constants. The thermokinetics of four reaction systems were studied with this method, and its validity was verified by the experimental results.

Cover Journal of Thermal Analysis and Calorimetry
Journal of Thermal Analysis and Calorimetry
Print ISSN:
1388-6150
Online ISSN:
1572-8943
Keywords:
calorimetry; double-thermoanalytical curve method; simple-order reactions; thermokinetics

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