气质联用法快速测定异丁烷中杂质  

Rapid determination of impurities in isobutane by GC-MS

作　　者：周雪云 艾书伦[2] 张祖平 艾照全[2] 王彩霞 ZHOU Xue-yun;AI Shu-lun;ZHANG Zu-ping;AI Zhao-quan;WANG Cai-xia(China Korea(Wuhan)Petrochemical Co.,Ld.,No.1,Wuhan 430000,China;Key Laboratory for the Synthesis and Application of Organic Functional Molecules,College of Chemistry and Chemical Engineering,Hubei University,Wuhan 430062,China)

机构地区：[1]中韩(武汉)石油化工有限公司,武汉430000 [2]有机化学功能分子合成与应用教育部重点实验室,湖北大学化学化工学院,武汉430062

出　　处：《应用化工》2020年第S01期297-303,共7页Applied Chemical Industry

摘　　要：异丁烷是中韩武汉石油化工有限公司的重要中间体,其质量好坏会直接影响连续化生产线的下游产品的质量,因此对异丁烷中杂质含量进行快速系统测定是重要的.实验中使用了气相色谱-质谱联用仪来快速测定异丁烷样品中杂质.产品中所有成分的气相色谱峰面积归一化得出了每种成分的百分含量,同时结合对应的质谱结果分析出产品中的所有组分的结构式.这为现场快速分析产品中杂质产生的原因、探讨减少这些杂质的方法、生产高质量的异丁烷提供了重要信息.Isobutane is an important intermediate of Sino-Korean W uhan Petrochemical Co.,Ltd.The quality of isobutane will directly affect the quality of the downstream products of the continuous production line.Therefore,it is important to quickly determine the impurity content in isobutane.The gas chromatographic peak areas of all components in the product were normalized to obtain the percentage content of each component.At the same time,the structural formulas of all components in the product were analyzed corresponding to the mass spectrometry results.This provides important information for quickly analyzing the causes of impurities in products,exploring ways to reduce these impurities,and producing high-quality isobutane.

关 键 词：异丁烷 杂质 气质联用仪 快速分析 

分 类 号：F42[经济管理—产业经济]