大学化学2024，Vol.39Issue(8)：197-203,7.DOI:10.3866/PKU.DXHX202312004
乙酸乙酯皂化反应和碘钟反应实验改进
Improvement of Ethyl Acetate Saponification Reaction and Iodine Clock Reaction Experiments
摘要
Abstract
This study addresses issues such as low efficiency in maintaining a constant temperature,uneven temperature distribution,uneven mixture,uneven reaction,and large deviations in experimental data observed in the ethyl acetate saponification reaction and iodine clock reaction.To address these problems,improvements are made in two aspects:the reaction vessel and the mixing method of reactants.The use of a jacketed beaker paired with a reaction flask as the reaction vessel and a multi-site magnetic stirrer for rapid mixing of the reactants is proposed.This improvement ensures a uniform and stable temperature in the solution,enhances the uniform dispersion and rapid reaction of the reactants,and enables accurate measurements of solution conductivity and the time for color change.The obtained data provides accurate values for reaction order,rate constant,and activation energy.关键词
乙酸乙酯皂化反应/碘钟反应/夹套烧杯/实验改进Key words
Saponification reaction/Iodine clock reaction/Jacket beaker/Experimental improvement分类
社会科学引用本文复制引用
张睿桐,曾志强,张晓光..乙酸乙酯皂化反应和碘钟反应实验改进[J].大学化学,2024,39(8):197-203,7.基金项目
南开大学实验教学改革项目(23NKZZYQ01) （23NKZZYQ01）
