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Determination of Trace Phthalic Acid Esters in Leaching Solution of Plastic Food Packaging by Single-Drop Microextraction-Gas Chromatography
Author(s): 
Pages: 863-867
Year: Issue:  6
Journal: Journal of Wuxi University of Light Industry

Keyword:  单滴液相微萃取 气相色谱 邻苯二甲酸酯类物质 塑料食品包装;
Abstract: 建立了基于单滴微萃取(SDME)结合气相色谱法测定塑料食品包装浸出液中3种邻苯二甲酸酯类物质含量的新方法。研究了萃取溶剂、萃取时间及搅拌速度等因素对萃取效率的影响,确定萃取的最佳条件:以1.4μL二甲苯为萃取剂,萃取时间为20min,萃取温度为40℃,搅拌速度为200r/min。在最优条件下,该方法的线性范围为0.1~100μg/mL,检出限为0.01μg/mL,实际样品的加标回收率为97%~113.9%。本法具有简单、快速和成本低等特点。
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