| 分散固相萃取净化/高效液相色谱法测定婴幼儿奶粉与米粉中15种多环芳烃 |
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| 引用本文： | 汪晨霞,张瑞瑞,寻知庆,郭新东,黄金凤,江蓝蓝. 分散固相萃取净化/高效液相色谱法测定婴幼儿奶粉与米粉中15种多环芳烃[J]. 分析测试学报, 2018, 37(4): 459-463 |
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| 作者姓名： | 汪晨霞 张瑞瑞 寻知庆 郭新东 黄金凤 江蓝蓝 |
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| 作者单位： | 广州质量监督检测研究院 |
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| 基金项目： | PORTSIM 11TH RESEARCH ADVISORY COMMITTEE(RAC)MEETING(Analysis for Red Palm Oil Product Registration in China)(PORTSIM 061/2017) |
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| 摘 要： | 建立了高效液相色谱-荧光检测法同时测定婴幼儿奶粉和米粉中15种多环芳烃的检测方法。样品经乙腈提取,PSA分散固相萃取净化;乙腈-水梯度洗脱,Waters PAH专用柱分离,荧光检测器检测,外标法定量。在最优条件下,15种多环芳烃均得到有效分离,线性范围为1.0~50μg/L,相关系数均大于0.995,方法检出限(LODs,S/N=3)为0.05~0.3μg/kg,回收率为86.5%~106.8%,精密度(RSD,n=6)为0.7%~7.5%。该方法操作简单、灵敏度高,适用于婴幼儿奶粉和米粉中多环芳烃的检测。
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| 关 键 词： | 多环芳烃(PAHs)；婴幼儿奶粉；婴幼儿米粉；液相色谱；荧光；分散固相萃取 |
Determination of Polycyclic Aromatic Hydrocarbons in Infant Formula and Rice by High Performance Liquid Chromatography with Dispersive Solid Phase Extraction Purification |
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| WANG Chen-xi,ZHANG Rui-rui,XUN Zhi-qing,GUO Xin-dong,HUANG Jin-feng,JIANG Lan-lan. Determination of Polycyclic Aromatic Hydrocarbons in Infant Formula and Rice by High Performance Liquid Chromatography with Dispersive Solid Phase Extraction Purification[J]. Journal of Instrumental Analysis, 2018, 37(4): 459-463 |
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| Authors: | WANG Chen-xi ZHANG Rui-rui XUN Zhi-qing GUO Xin-dong HUANG Jin-feng JIANG Lan-lan |
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| Abstract: | |
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| Keywords: | polycyclicaromatic hydrocarbons(PAHs) infant formula infant rice high performance liquid chromatography fluorescence dispersive solid phase extraction |
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