A rapid liquid chromatography method for determination of glufosinate residue in maize after derivatisation

被引：33
作者：
Qian, Kun [1 ]
He, Shun [1 ]
Tang, Tao [1 ]
Shi, Tianyu [1 ]
Li, Jianqiang [1 ]
Cao, Yongsong [1 ]
机构：
[1] China Agr Univ, Coll Agr & Biotechnol, Beijing 100193, Peoples R China
来源：
FOOD CHEMISTRY | 2011年 / 127卷 / 02期
基金：
国家高技术研究发展计划(863计划);
关键词：
Glufosinate; Liquid chromatography; Maize samples; UV detection; TANDEM MASS-SPECTROMETRY; CAPILLARY-ZONE-ELECTROPHORESIS; INDUCED FLUORESCENCE DETECTION; ENVIRONMENTAL WATER SAMPLES; AMINOMETHYLPHOSPHONIC ACID; GAS-CHROMATOGRAPHY; PESTICIDE-RESIDUES; SOIL SAMPLES; GLYPHOSATE; HERBICIDES;
D O I：
10.1016/j.foodchem.2010.12.132
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
A rapid liquid chromatographic method for glufosinate analysis in maize samples after derivatisation has been developed. The labelled glufosinate was separated on a Kromasil C-18 column (250 mm x 4.6 mm, 5 mu m) and UV detection was applied at 360 nm. The optimisation of derivatisation conditions and the influence of different ion-pair reagents on the separation were discussed. The method linearity correlation coefficient was 0.9998 in concentrations ranging from 0.1 to 20 mg L-1. The level of quantification was set to 0.02 mg kg(-1), and reached pesticide EU-MRLs for glufosinate in the maize samples. The proposed method was applied to the quantitative determination of glufosinate in samples with recoveries of 98.0-100.5% and RSDs of 2.13-4.13%. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：722 / 726
页数：5
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