Determination of imidacloprid and its metabolite 6-chloronicotinic acid in greenhouse air by high-performance liquid chromatography with diode-array detection

被引：33

作者：

Frenich, AG ^{[1
]}

González, FJE ^{[1
]}

Vidal, JLM ^{[1
]}

Vázquez, PP ^{[1
]}

Sánchez, MM ^{[1
]}

机构：

[1] Univ Almeria, Dept Analyt Chem, Almeria 04071, Spain

来源：

JOURNAL OF CHROMATOGRAPHY A | 2000年 / 869卷 / 1-2期

关键词：

air analysis; imidacloprid; 6-chloronicotinic acid; pesticides;

D O I：

10.1016/S0021-9673(99)00879-1

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

A method is described for analysing and sampling imidacloprid and its metabolite 6-chloronicotinic acid in greenhouse air by high-performance liquid chromatography (HPLC) with diode-array detection (DAD). The trapping efficiency of two solid sorbents, Amberlite XAD-2 and Amberlite XAD-4 and the use of different desorption procedures have been tested. To validate the methodology, standard atmospheres containing known concentrations of these pesticides and with different relative humidities were generated. No breakthrough was observed in the range of concentrations studied. Dissipation of analytes was investigated in a 24 h period after application by using personal samplers in a field experiment. (C) 2000 Elsevier Science B.V. All rights reserved.

引用

页码：497 / 504

页数：8

共 20 条

[1] Determination of imidacloprid and its major metabolite in soils by liquid chromatography with pulsed reductive amperometric detection [J].