气相色谱-质谱法测定食品接触材料表面印刷油墨中的光引发剂

被引:15
作者
韩伟 [1 ]
于艳军 [1 ]
李宁涛 [1 ]
王利兵 [2 ]
机构
[1] 天津出入境检验检疫局工业产品安全技术中心
[2] 湖南出入境检验检疫局技术中心食品安全科学技术湖南省重点实验室
关键词
气相色谱-质谱; 光引发剂; 印刷油墨; 食品接触材料;
D O I
暂无
中图分类号
TS206.4 [包装材料];
学科分类号
083201 ;
摘要
建立了食品接触材料表面印刷油墨中光引发剂(PIs)二苯甲酮(BP)、4-甲基二苯甲酮(MBP)、对二甲氨基苯甲酸乙酯(EDAB)、N,N-二甲氨基苯甲酸异辛酯(EHDAB)和1-羟基环己基苯基甲酮(Irgacure 184)的气相色谱-质谱(GC-MS)分析方法。样品以乙酸乙酯为萃取溶剂进行索氏提取,萃取溶液经净化分离和富集以后,以5%苯基-95%甲基聚硅氧烷为固定相(DB-5MS),采用选择离子扫描(SIM)方式对上述5种PIs进行了定性和定量分析。5种PIs在5.0~200.0μg/L范围内的线性关系良好(R2>0.999 5),在2种浓度的添加水平下,回收率为66.7%~89.4%,相对标准偏差<10%。方法的定量限为0.0017~0.0036 mg/dm2。该方法的样品前处理过程简单,易操作,适用于常规进出口食品接触材料表面印刷油墨中PIs的快速检测。
引用
收藏
页码:417 / 421
页数:5
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