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Characteristic parameter method for studying chemical kinetics in calorimeter

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Abstract

A novel thermokinetic research method for determination of rate constants of simple-order reaction in batch conduction calorimeter under isothermal condition, the characteristic parameter method, is proposed in this paper. Only needing the characteristic time parameter tm obtained from the measured thermoanalytical curve, the kinetic parameters of reactions studied can be calculated conveniently with this method. The saponifications of ethyl propionate and ethyl acetate in aqueous ethanol solvent, the polymerization of acrylamide in aqueous solution, the ring opening reaction of epichlorohydrin with hydrobromic acid have been studied. The experimental results indicate that the characteristic parameter method for simple-order reaction is correct.

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Authors and Affiliations

  1. Department of Applied Oil Engineering, Logistical Engineering University, Chongqing, 400016, P. R. China E-mail

    Y. Chen & B. Zhang

  2. Department of Chemistry, Sichuan University, Chengdu, 610064, P. R. China

    J. Q. Xie & X. C. Zeng

Authors
  1. Y. Chen
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  2. J. Q. Xie
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  3. B. Zhang
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  4. X. C. Zeng
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Correspondence to Y. Chen.

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Chen, Y., Xie, J.Q., Zhang, B. et al. Characteristic parameter method for studying chemical kinetics in calorimeter. Journal of Thermal Analysis and Calorimetry 75, 847–855 (2004). https://doi.org/10.1023/B:JTAN.0000027180.74645.23

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  • DOI: https://doi.org/10.1023/B:JTAN.0000027180.74645.23

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