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气相色谱-质谱法测定食品模拟物中全氟正丙基乙烯基醚的迁移量

Determination of migration of perfluoro propyl vinyl ether in food simulants by gas chromatography-mass spectrometry
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摘要 目的建立一种顶空进样-气相色谱-质谱联用法测定各类食品模拟物(酸性、醇类、油性等)中全氟正丙基乙烯基醚的迁移量。方法浸泡液中全氟正丙基乙烯基醚通过顶空进样的方式(顶空瓶中样品在80℃温度下平衡30min)进入气相色谱柱,经过键合苯乙烯-二乙烯基苯多孔高聚物的毛细管柱分离后由质谱检测分析(质荷比69作为定量离子)。结果在优化的色谱柱、顶空平衡时间与温度等仪器条件下,本方法最低检出限达到0.01mg/kg,回收率在86.5%~112.0%之间,相对标准偏差小于10%(n=6)。结论该方法操作简单,灵敏度高,适合测定各类食品模拟物中全氟正丙基乙烯基醚迁移量。 Objective To establish a method for determination of the migration of perfluoro propyl vinyl ether (PPVE)in various food simulants (acidity,alcohols,oils,etc)by headspace sampling-gas chromatography-mass spectrometry.Methods PPVE in soak liquid got into the gas chromatography column by headspace sampling (top empty bottle samples at 80℃ temperature balanced in 30 min).After capillary column separation of bonded styrene-divinyl benzene porous polymer,it was analyzed by mass spectrometry (mass to charge ratio 69 as quantitative ion).Results Under the optimized conditions,the limit of detection reached 0.01mg/kg,the recovery rate ranged from 86.5% to 112.0%,and the relative standard deviation was less than 10%(n=6).Conclusion The proposed method shows a good sensitivity and accuracy,which is suitable for determining migration of PPVE in food simulants.
作者 童嘉琦 朱晓艳 刘江 詹何珊 孙银迪 李锦花 TONG Jia-Qi;ZHU Xiao-Yan;LIU Jiang;ZHAN He-Shan;SUN Yin-Di;LI Jin-Hua(Inspection and Quarantine Technology Center of Ningbo Entry-Exit Inspection and Quarantine Bureau,Ningbo 315000,China;Ningbo Science and Technology Institute of Inspection and Quarantine,Ningbo 315000,China;Ningbo Joysun Product Testing Service Company,Ningbo 315000,China)
出处 《食品安全质量检测学报》 CAS 2018年第24期6425-6429,共5页 Journal of Food Safety and Quality
基金 原国家质检总局科技计划项目(2017IK080) 宁波市自然科学基金项目(2017 A610071)~~
关键词 食品接触材料 全氟正丙基乙烯基醚 气相色谱-串联质谱法 迁移量 food contact material perfluoro propyl vinyl ether gas chromatography-mass spectrometry migration
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