1,4-环己烷二甲酸二甲酯顺反异构体的气相色谱分析  

Gas Chromatographic Analysis of Dimethyl 1,4-Cyclohexanedicarboxylate Cis-Trans Isomers

作　　者：王兆程 程瑾 王宜迪 吴偲 曹长海 WANG Zhao-cheng;CHENG Jin;WANG Yi-di;WU Cai;CAO Chang-hai(Sinopec Dalian Research Institute of Petroleum and Petrochemicals Co.,Ltd.,Dalian Liaoning 116045,China)

机构地区：[1]中石化(大连)石油化工研究院有限公司,辽宁大连116045

出　　处：《当代化工》2023年第4期1006-1008,共3页Contemporary Chemical Industry

基　　金：中国石化院青年科技创新培育计划,高端聚酯单体1,4-环己烷二甲醇制备技术研究(项目编号:院控-062203)。

摘　　要：采用气相色谱法,使用CP-Chirasil-DexCB色谱柱和氢火焰离子化检测器对1,4-环己烷二甲酸二甲酯顺反异构体进行分离和定量分析。结果表明:该分析方法中反式1,4-环己烷二甲酸二甲酯的线性相关系数为0.9991,相对标准偏差为0.83%,平均回收率为100.66%;顺式1,4-环己烷二甲酸二甲酯的线性相关系数为0.9983,相对标准偏差为0.82%,平均回收率为100.40%。该分析方法操作简便、快速、准确,分离效果好,可以用于1,4-环己烷二甲酸二甲酯顺反异构体的定量分析。The separation and quantitative analysis of dimethyl 1,4-cyclohexanedicarboxylate cis-trans isomers were carried out by gas chromatography with CP-Chirasil-Dex CB column and hydrogen flame ionization detector.The results showed that,for the trans isomer,the linear correlation coefficient was 0.9991,the relative standard deviation was 0.83%,and the average recovery was 100.66%.And for the cis isomer,the linear correlation coefficient was 0.9983,the relative standard deviation was 0.82%,and the average recovery was 100.40%.The method is simple,rapid,accurate,and has good separation effect,can be used for quantitative analysis of dimethyl 1,4-cyclohexanedicarboxylate cis-trans isomers.

关 键 词：1 4-环己烷二甲酸二甲酯 气相色谱 顺反异构体 定量分析 

分 类 号：O657.71[理学—分析化学]