液相色谱法和荧光检测法测定水中草甘膦除草剂和(氨基甲基)膦酸。第二部分:用NBD-Cl柱前衍生直接测定。

Analusis Pub Date : 2000-11-01 DOI:10.1051/ANALUSIS:2000149

R. Colin, E. L. Fur, C. Charreteur, C. Dufau, J. Peron

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引用次数: 8

摘要

建立了测定水中草甘膦和AMPA的分析方法。该方法包括在60°C下用NBD-Cl试剂原位衍生化。定量是在氨基柱分离后用荧光检测的液相色谱法进行的。草甘膦的定量限为1µg/L, AMPA的定量限为0.1µg/L。

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Determination of glyphosate herbicide and (aminomethyl)phosphonic acid (AMPA) in water by liquid chromatography and fluorescence detection. Part II: Direct determination using pre-column derivatization with NBD-Cl.

An analytical method was developed for the determination of glyphosate and AMPA in water. This method involves derivatization in situ with NBD-Cl reagent at 60 °C. The quantification is performed using liquid chromatography with fluores- cence detection after a separation on an amino column. The limit of quantification was estimated at 1 µg/L level for glyphosate and at 0.1 µg/L level for AMPA.

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Analusis

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