联机电导法测定乙酸乙酯皂化反应的速率常数  

MEASURING RATE CONSTANT OF SAPONIFICATION OF ETHYL ACETATE WITH ON-LINE ELECTRIC CONDUCTIVITY INSTRUMENT

作　　者：汪永涛[1] 张文清 侯若冰[1] 义祥辉[1] 方芳[3] 

机构地区：[1]广西师范大学资源与环境学系,广西桂林541004 [2]广西轻工业学校,广西南宁530000 [3]安徽大学化学系,安徽合肥230039

出　　处：《广西师范大学学报（自然科学版）》2001年第3期50-54,共5页Journal of Guangxi Normal University:Natural Science Edition

基　　金：国家自然科学基金资助项目 (2 9863 0 0 1 ) ;广西高校科研基金资助项目

摘　　要：联机电导法应用于乙酸乙酯皂化反应速率常数的测定 ,采用计算机联机方式实时采集数据、动态显示电导率 -时间曲线并计算测试结果 ,因而该测定方法具有直观、简单、快速的特点 .全部测试数据和计算结果均以文件形式保存在磁盘上 ,并可由打印机输出测试结果 .多项测试表明 :此装置在测量精度和数据处理自动化程度上均优于常规电导率仪测定方法 .On-line electric conductivity instrument was applied t o the measurement of rate constant of saponification for ethyl acetate.The exper imental data were dynamically collected and the curves of electric conductance v arying time were shown on the screen by means of on-line.This method has many a dvantages such as simple operation,etc..All of the experimental values were stor ed on the disk,and were output by a printer.The results of many examinations sho wed that this method of on-line,in the accuracy of measurement and the automate d degree,were more excellent than the one of conventional electric conductance.T he experimental results were in accordance with the reported one.

关 键 词：联机电导法 乙酸乙酯皂化 速率常数 

分 类 号：O642[理学—物理化学]