STUDIES ON THERMOKINETICS(X IV) THE ALKALINE HYDROLYSIS OF ASPIRIN IN MICELIAR SOLUTION

LI GANZUO Chemistry Department, Shandong University, Jinan, 250100, (P- R. China)

RUI WI Chemistry Department, Shandong University, Jinan, 250100, (P- R. China)

SHENG DACHENG Chemistry Department, Shandong University, Jinan, 250100, (P- R. China)

ZENG XIANCHENG Chemistry Department, Sichuan University, Chengdu, 610064, (P. R. China)

LIU QINGHUA Chemistry Department, Sichuan University, Chengdu, 610064, (P. R. China)

CHEN XIAONAN Chemistry Department, Sichuan University, Chengdu, 610064, (P. R. China)

DENG YU Chemistry Department, Sichuan University, Chengdu, 610064, (P. R. China)

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ABSTRACT

The alkaline hydrolysis of aspirin has been studied in CTAB micellar solution with the method of thermokinetics for the pseudo-first-order reactions in this paper. The second-order-rate constants of this reaction at 30 and 35°C in the absence of CTAB are 0. 0394 and 0. 0628 dm₃ mol⁻¹ s⁻¹,respectively. The rates of this reaction in CTAB micellar solutions at 30 and Z5V have decreased as the increased of CTAB concentration at the considerable values of [OH⁻]- This reaction has been found to be inhibited by CTAB micelles.

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STUDIES ON THERMOKINETICS(X IV) THE ALKALINE HYDROLYSIS OF ASPIRIN IN MICELIAR SOLUTION

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STUDIES ON THERMOKINETICS(X IV) THE ALKALINE HYDROLYSIS OF ASPIRIN IN MICELIAR SOLUTION

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