Pre-column derivatization reaction coupled with ultrasonic wave extraction for the trace analysis of atrazine and simazine in soil and crops by liquid chromatography, ultraviolet detection

被引：2

作者：

Gong, AJ ^{[1
]}

Ye, CM ^{[1
]}

Lei, ZF ^{[1
]}

Liu, JA ^{[1
]}

机构：

[1] Chinese Acad Sci, Ecoenvironm Sci Res Ctr, Beijing 100085, Peoples R China

来源：

JOURNAL OF LIQUID CHROMATOGRAPHY & RELATED TECHNOLOGIES | 1999年 / 22卷 / 16期

关键词：

D O I：

10.1081/JLC-100101820

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

Combined with ultrasonic wave extraction, a pre-column derivatization reaction high performance liquid chromatographic ultraviolet detection procedure was developed for the determination of atrazine and simazine in soil and crop. The 4-(2-phthalimidyl) benzoyl chloride (PLB-Cl) was used as a precolumn derivatization reagent for high performance liquid chromatography (HPLC). The ultrasonic wave technique was applied to the extraction for trace atrazine and simazine in soil and crop. The clean-up and second-time concentration procedures, which was indispensable in the conventional analytical methods for soil and crop analysis because of the complexity of the samples, were replaced by derivatization reaction between PIB-Cl and analytes. The optimum absorption wavelength of 345 nm and the molar absorption coefficients of 10(5) level for the derivatives were found.

引用

页码：2535 / 2545

页数：11

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