SPE-GC-MS法同时测定奶粉中18种邻苯二甲酸酯迁移量

被引:38
作者
黄永辉
机构
[1] 福建省产品质量检验研究院
关键词
气相色谱-质谱法(GC-MS); 奶粉; 固相萃取(SPE); 邻苯二甲酸酯(PAEs); 迁移量;
D O I
暂无
中图分类号
TS252.7 [产品标准与检验];
学科分类号
083203 ;
摘要
建立同时测定奶粉中18种邻苯二甲酸酯(PAEs)迁移量的固相萃取-气相色谱-质谱(SPE-GC-MS)方法,以正己烷为提取溶剂,通过超声提取,经硅胶SPE小柱富集净化,以GC-MS分段选择离子监测(SIM)模式分析。该方法具有良好线性,相关系数R均大于0.999,检测限在12.91μg/kg~709.14μg/kg之间,平均回收率在69.77%~104.83%,RSD值在2.49%~9.95%之间,该方法具有操作简单、灵敏度高、重现性好,可同时检测18种PAEs的特点,能满足国内外对奶粉中PAEs迁移量的检测需求。
引用
收藏
页码:167 / 171
页数:5
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