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  • 1 Logistical Engineering University Department of Applied Oil Engineering Chongqing 400016 P. R. China E-mail Chongqing 400016 P. R. China E-mail
  • | 2 Sichuan University Department of Chemistry Chengdu 610064 P. R. China Chengdu 610064 P. R. China
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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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