DETERMINATION OF LASALOCID IN EGGS USING LIQUID CHROMATOGRAPHY-ELECTROSPRAY MASS-SPECTROMETRY

被引：37
|
作者：
BLANCHFLOWER, WJ
KENNEDY, DG
机构：
来源：
ANALYST | 1995年 / 120卷 / 04期
关键词：
LASALOCID; IONOPHORE; EGGS; HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY; ELECTROSPRAY MASS SPECTROMETRY;
D O I：
10.1039/an9952001129
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A method is presented for the determination of the polyether ionophore, lasalocid, in eggs. Samples are extracted under acidic conditions using acetonitrile and the extracts are cleaned up using a simple liquid-liquid extraction step. Lasalocid is detected and quantified using liquid chromatography-electrospray mass spectrometry on a quadrupole bench-top instrument. The technique is highly sensitive, with a detection limit of about 0.5 ng g(-1) of lasalocid in homogenized egg samples.
引用
收藏
页码：1129 / 1132
页数：4
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