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| Content Provider | The American Society of Mechanical Engineers (ASME) Digital Collection |
|---|---|
| Author | Guo, Zhongxian Cai, Qiantao Yang, Zhaoguang |
| Copyright Year | 2006 |
| Abstract | There is a high risk for human exposure to organophosphorus pesticides through contaminated drinking water. Glyphosate, glufosinate, fosamine and ethephon are among the water-soluble herbicides used currently. Sensitive and rapid analytical methodologies are critical for evaluating their residuals in a broad variety of samples, including environmental waters. However, challenges arise from the inherent chemical properties of the herbicides: strong polarity, high solubility in water, insolubility in organic solvent (except ethephon), absence of chromophore or fluorophore in their molecular structures. So far very rare analytical methods are available for ethephon [1] and fosamine [2], while glyphosate and glufosinate are often determined by gas chromatography [3], high performance liquid chromatography (HPLC) [4] and capillary electrophoresis (CE) [5]. Inductively coupled plasma mass spectrometry (ICP-MS) is sensitive, rapid, selective, and is more powerful when hyphenated with appropriate separation. For the analysis of glufosinate, glyphosate and its metabolite aminomethylphosphonic acid (AMPA), ICP-MS was recently coupled to CE [6] or ion-pairing reversed-phase LC [7]. |
| Sponsorship | ASME Environmental Engineering Division |
| Starting Page | 5 |
| Ending Page | 6 |
| Page Count | 2 |
| File Format | |
| DOI | 10.1115/WATER2006-20024 |
| e-ISBN | 0791837939 |
| Conference Proceedings | 1st Water Quality, Drought, Human Health and Engineering Conference |
| Language | English |
| Publisher Date | 2006-10-18 |
| Publisher Place | Las Vegas, Nevada, USA |
| Access Restriction | Subscribed |
| Subject Keyword | Water Analytical methods Gas chromatography Electrophoresis Risk Inductively coupled plasma mass spectrometry Chemical properties Separation (technology) Ion exchange chromatography |
| Content Type | Text |
| Resource Type | Article |
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