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应用一级反应的热动力学无量纲参数法,在25和下35℃乙醇—水混合溶剂中,研究了表面活性剂SDS和CTAB对苯甲酸乙酯皂化反应动力学的影响,测定了不同浓度的表面活性剂存在下的反应速度常数.结果表明,SDS胶束对反应有禁阻作用,CTAB胶束对反应基本无影响.
The influence of surfactant SDS and CTAB on the saponification reaction kinetics of ethyl benzoate was studied in a 25 ℃ and 35 ℃ ethanol-water mixed solvent by the dimensionless parameter method of thermodynamics of first order reaction. The effects of different concentration The results showed that the SDS micelle inhibited the reaction and the CTAB micelles had no effect on the reaction.