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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Mazo, Luiz H. Nixdorf, Suzana L. Coutinho, Cláudia F. B. Camara, Carlos A. P. Coutinho, Lincoln F. M. |
| Description | Country affiliation: Brazil Author Affiliation: Coutinho CF ( Universidade de São Paulo, Instituto de Química de São Carlos, Av. Trabalhador São-carlense 400, Caixa Postal 780, CEP 13566-590 São Carlos, SP, Brazil.) |
| Abstract | A simple, rapid, and low-cost coulometric method for direct detection of glyphosate and aminomethylphosphonic acid (AMPA) in water samples using anion-exchange chromatography and coulometric detection with copper electrode is presented. Under optimized conditions, the limits of detection (LODs) (S/N=3) were 0.038microgml(-1) for glyphosate and 0.24microgml(-1) for AMPA, without any preconcentration method. The calibration curves were linear and presented an excellent correlation coefficient. The method was successfully applied to the determination of glyphosate and AMPA in water samples without any kind of extraction, clean-up, or preconcentration step. No interferent was found in the water, like this, the recovery was, practically, 100%. |
| ISSN | 00219673 |
| Issue Number | 1-2 |
| Journal | Journal of Chromatography A |
| Volume Number | 1208 |
| e-ISSN | 18733778 |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2008-10-24 |
| Publisher Place | Netherlands |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Chromatography, Ion Exchange Methods Glycine Analogs & Derivatives Organophosphonates Analysis Water Chemistry Journal Article Discipline Analytical Chemistry |
| Content Type | Text |
| Resource Type | Article |
| Subject | Organic Chemistry Medicine Analytical Chemistry Biochemistry |
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