碳酸乙烯酯水解法合成乙二醇的气相色谱分析  

Gas Chromatographic Analysis for Synthesis of Ethylene Glycol from Ethylene Carbonate Hydrolysis

作　　者：王浩[1] 陈健[1] 刘定华[1] 刘晓勤[1] 

机构地区：[1]南京工业大学材料化学工程国家重点实验室

出　　处：《石油与天然气化工》2011年第5期514-517,431,共4页Chemical engineering of oil & gas

基　　金：长江学者和创新团队发展计划项目(IRT0732);中国石油化工集团公司基金资助项目(408077)

摘　　要：本文以Porapak-Q担体为固定相,用气相色谱法定性定量分析碳酸乙烯酯水解合成乙二醇的产物。对此体系的色谱条件进行了简要讨论,水解产物采用对照法进行定性分析、内标法进行定量分析,并对此法的准确性和精密度进行了考察。结果表明,该法定性、定量结果均符合分析要求,且操作简便快速,精密度高,准确度好,适用于环状碳酸酯水解合成二元醇的质量分析,尤其对碳酸乙烯酯水解合成乙二醇新工艺的研究具有实用价值。Taking Porapak-Q organic monomer as stationary phase,a gas chromatographic method is used in qualitative analysis and quantitative determination of the ethylene glycol produced from ethylene carbonate hydrolysis reaction.Chromatographic conditions of this system are briefly discussed.Contrast method is used in qualitative analysis,and internal standard method is used in quantitative determination.The accuracy and precision for each component of the method were examined.The experimental results show that the analysis result by this analysis method can meet the analytic requirement.It is convenient,quick and sensitive with good accuracy and precision,so it is suitable to be applied in the quantitative analysis of hydrolysis product,particularly have useful value for the synthetic technology of ethylene glycol from ethylene carbonate hydrolysis.

关 键 词：碳酸乙烯酯 水解 乙二醇 气相色谱分析 内标法 

分 类 号：TQ223.162[化学工程—有机化工]