Analog Thermogram Method(Ⅱ)──Studies on Thermokinetics of Irreversible Consecutive First-order Reactions

Abstract

Abstract: Based on our previous article, the research method of analog thermogram method for consecutive first-order reactions has been proposed in this paper.The rate constants of the consecutive first-order reactions can be obtained from the thermogram of conduction calorimeter with this method without using any apparatus constants.ln order to test the validity of thls method, the saponifications of diethyl phthalate and diethyl succinate in aqueous ethanol solvent have been studied.The rate constants calculated with this method are in agreement with those in literatures, and therefore, the analog thermogram meth0d for consecutive first-order reactions is believed to be correct.

Key words: Thermokinetics, Analog thermogram method, Consecutive first-order reaction

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ZHANG Yuan-Qin, HU Qi-Shan, ZENG Xian-Cheng, TIAN An-Min. Analog Thermogram Method(Ⅱ)──Studies on Thermokinetics of Irreversible Consecutive First-order Reactions[J]. Chem. J. Chinese Universities, 1997, 18(3): 463.

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Analog Thermogram Method(Ⅱ)──Studies on Thermokinetics of Irreversible Consecutive First-order Reactions

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