Determination of Trifloxystrobin, Tebufenozide, and Halofenozide in Foods by Micellar Electrokinetic Capillary Chromatography

被引：9

作者：

Araujo, Lilia ^{[1
]}

Rojas, Carlos ^{[1
]}

Cubillan, Dalia ^{[1
]}

Villa, Noreiva ^{[1
]}

Mercado, Jair ^{[1
]}

Prieto, Avismelsi ^{[1
]}

机构：

[1] Univ Zulia, Lab Analyt Chem & Electrochem, Fac Engn, Maracaibo 4011, Venezuela

来源：

ANALYTICAL LETTERS | 2010年 / 43卷 / 15期

关键词：

Halofenozide; Juice; Micellar electrokinetic capillary chromatography; Tebufenozide; Trifloxystrobin; Vegetables; SOLID-PHASE MICROEXTRACTION; LIQUID-CHROMATOGRAPHY; MASS-SPECTROMETRY; ECDYSONE AGONISTS; PESTICIDES; RESIDUES; VEGETABLES; FUNGICIDES; FAMOXADONE; TOMATO;

D O I：

10.1080/00032711003717372

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A simple and rapid micellar electrokinetic capillary chromatography method of trifloxystrobin, tebufenozide, and halofenozide has been developed. The separation was performed in a 10mM borate-18mM SDS buffer solution (pH=9.0), containing 22.5% v/v of acetonitrile, 25kV and detection at 202nm. The linear concentration range of application was 0.5-10.0mg L-1, with a detection limit of 0.094mg kg-1 for trifloxystrobin and 0.088mg kg-1 for tebufenozide and halofenozide. Analysis yielded good reproducibility (RSD between 1.7-8.7%). The applicability of the method was tested by analyzing several fortified samples of tomato, celery, and apple juices. Recovery levels were between 70.0 and 110.8%.

引用

页码：2340 / 2348

页数：9

共 20 条

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