气相色谱/串联质谱法同时测定食品接触用塑料中的24种禁用芳香胺迁移量  

Simultaneous Determination of the Migration of 24 Kinds of Banned Aromatic Amines in Plastic Which May Contact Food by Gas Chromatography-Tandem Mass Spectrometry

作　　者：王成云[1] 沈雅蕾[1] 张恩颂[1] 谢堂堂[1] 麦家超[1] 彭圳圳[1] 

机构地区：[1]深圳出入境检验检疫局,深圳518045

出　　处：《塑料助剂》2011年第6期44-49,共6页Plastics Additives

摘　　要：用去离子水浸泡食品接触用塑料,提取其中的禁用芳香胺。浸泡液过固相萃取小柱后,用甲醇进行淋洗,淋洗液经浓缩后用甲醇定容,再进行气相色谱/串联质谱法测定,采用的测定模式为三重四极杆质谱电子轰击多反应监测模式,从而建立了一个同时测定食品接触用塑料中24种禁用芳香胺迁移量的气相色谱/串联质谱方法,该方法的加标回收率为63.1%~98.4%,相对标准偏差（RSD）为2.6%~16.2%,在S/N为10的条件下,所有禁用芳香胺定量下限均小于1.0ng/mL。该方法简便快速,可用于食品接触用塑料中禁用芳香胺迁移量的同时测定。A method was established to determine simultaneously the migration of banned aromatic amines in plastic which may contact food by gas chromatography-tandem mass spectrometry （GC/MS-MS）. Banned aromatic amines in plastic materials were first extracted using deionized water, the extract was then condensed on a solid-phase extraction column and eluted by methanol. The elution was condensed and solved in methanol for GC/MS-MS analysis. The analytes were detected by triple quadrupole MS in muhi-reaction monitoring （MRM） mode. The recoveries are in the range of 63.1%-98.4% while the relative standard deviation （RSD） changs from 2.6% to 16.2%. The limits of quantification are low than 1.0 ng/mL for all these banned aromatic amines at the condition of S/N equal to 10. This method is simple and rapid, which is applicable tbr the simultaneous determination of the migration of banned aromatic amines in plastic which may contact food.

关 键 词：气相色谱/串联质谱法 禁用芳香胺 食品 塑料 测定 

分 类 号：TQ320.77[化学工程—合成树脂塑料工业]