Analysis of carbendazim in agricultural samples by laser desorption and REMPI time-of-flight mass spectrometry

被引:19
作者
Orea, JM [1 ]
Bescós, B [1 ]
Montero, C [1 ]
Ureña, AG [1 ]
机构
[1] Univ Complutense Madrid, Inst Pluridisciplinar, Unidad Laseres & Haces Mol, E-28040 Madrid, Spain
关键词
D O I
10.1021/ac970443u
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
A method has been developed for the analysis of carbendazim in agricultural samples. This has been accomplished by the combination of laser desorption with resonance-enhanced multi-photon ionization (REMPI) coupled to time-of-flight mass spectrometry detection. After the optimization of the experimental conditions and the location of the resonant wavelength of the substance, several samples of pepper extract enriched with carbendazim were analyzed, finding a detection limit of the same order of magnitude as that of current GC and HPLC techniques, but with higher sensitivity and faster sample preparation.
引用
收藏
页码:491 / 497
页数:7
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