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Determination of Glyphosate and Aminomethylphosphonic Acid in Water by LC Using a New Labeling Reagent, 4-Methoxybenzenesulfonyl Fluoride |
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| Authors: | Yujie Sun Chengyin Wang Qunyin Wen Guoxiu Wang Honghai Wang Qishu Qu Xiaoya Hu |
| Affiliation: | 1. College of Chemistry and Chemical Engineering, Jiangsu Key Laboratory of Environmental Engineering and Monitoring, Yangzhou University, Yangzhou, 225002, China 2. Department of Chemistry and Forensic Science, University of Technology, Sydney, City Campus, Broadway, Sydney, NSW, 2007, Australia 3. Yangzhou Vocational College of Environment and Resources, Yangzhou, 225127, China |
| Abstract: | A rapid, low-cost, and highly sensitive analytical method to detect glyphosate and its major metabolite, aminomethylphosphonic acid (AMPA), in water samples has been developed, involving a derivatization with a new labeling reagent, 4-methoxybenzenesulfonyl fluoride, followed by reverse phase liquid chromatography with ultraviolet detection. The limits of detection of both of glyphosate and AMPA in real water samples are 0.1 μg L?1 with simple pre-concentration. This method has proven to be sensitive and reliable for determination of glyphosate and AMPA in water samples. |
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