气相色谱内标法检测食品添加剂不溶性聚乙烯聚吡咯烷酮中的N,N’-二乙烯基-咪唑啉酮的残留量  

Internal standard method for the determination of Free N,N'-divinylimidazolidone in Insoluble Polyvinylpolypyrrolidone(PVPP)by gas chromatography

作　　者：刘宝圣 张敬轩 郭峰 周杰 

机构地区：[1]河北冠卓检测科技有限公司,石家庄051130

出　　处：《中国食品添加剂》2018年第3期68-72,共5页China Food Additives

基　　金：国家卫生和计划生育委员会食品安全标准制定基金项目(spaq-2012-32)

摘　　要：建立了气相色谱法测定食品添加剂不溶性聚乙烯聚吡咯烷酮(PVPP)中的N,N’-二乙烯基-咪唑啉酮的检测方法,样品采用丙酮提取,气相色谱仪-氮磷检测器检测,内标法定量,浓度在0.1~3.2μg/m L范围内具有良好的线性,线性相关系数为0.9999,方法的定量限为1mg/kg,加标回收率为102.0%~106.1%,变异系数2.44%~5.26%,同时本方法也为气相色谱法的建立与开发,提供了帮助。Reverse gas chromatography method was developed for the determination of Free N, N＇ divinylimidazolidone in Insoluble Polyvinylpolypyrrolidone （PVPP） in food additives. The samples were extracted by acetone, Quantitative determined by internal standard method and detected by GC-NPD. The results showed that the linear range of Free N, N＇ -divinylimidazolidone was 0.1 - 3.2μg/mL, Correlative coefficient was 0.9999. The limit of quantitation was 1 mg/kg, the average recoveries were 98.0% - 103.1%, the coefficients of variation were 2.63% - 5.26%. In addition, the method provided information in establishing a new detecting method by gas chromatography.

关 键 词：聚乙烯聚吡咯烷酮 N N’-二乙烯基 咪唑啉酮 气相色谱法 NPD检测器 

分 类 号：TS202.3[轻工技术与工程—食品科学]