Multiresidue Method for N-Methyl Carbamates and Metabolite Pesticide Residues at the Parts-per-Billion Level in Selected Representative Commodities of Fruit and Vegetable Crop Groups
| العنوان: | Multiresidue Method for N-Methyl Carbamates and Metabolite Pesticide Residues at the Parts-per-Billion Level in Selected Representative Commodities of Fruit and Vegetable Crop Groups |
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| المؤلفون: | Lynda V Podhorniak, Frank J Schenck, Alexander Krynitsky, Francis Griffith |
| المصدر: | Journal of AOAC INTERNATIONAL. 87:1237-1251 |
| بيانات النشر: | Oxford University Press (OUP), 2004. |
| سنة النشر: | 2004 |
| مصطلحات موضوعية: | Pharmacology, Carbamate, Residue (complex analysis), Agricultural chemistry, Piperonyl butoxide, Chromatography, Pesticide residue, medicine.medical_treatment, Metabolite, Extraction (chemistry), Pesticide, Analytical Chemistry, chemistry.chemical_compound, chemistry, Environmental chemistry, medicine, Environmental Chemistry, Agronomy and Crop Science, Food Science |
| الوصف: | A reversed-phase liquid chromatographic method with both fluorescence and mass spectrometric detection is presented for the determination of 13 parent N-methyl carbamate pesticides and their metabolites, as well as piperonyl butoxide, for a total of 24 compounds in selected fruits and vegetables. The commodities chosen were of special concern to the U.S. Environmental Protection Agency (EPA) because they had the least amount of monitoring data for dietary exposure estimates used in risk assessment. The method is based on a judicious selection of procedures from U.S. Food and Drug Administration sources such as the Pesticide Analytical Manual (Volume I), and Laboratory Information Bulletins, plus additional material from the chemical literature combined in a manner to recover the N-methyl carbamates and their metabolites at the 1 μg/kg or 1 part-per-billion level. The method uses an acetone extraction, followed by an aminopropyl solid-phase extraction cleanup. Determination of residues is by RP-LC, in which the liquid chromatograph is interfaced with either a fluorescence or a mass spectrometric detector. The method is designed so that a set of 6 samples can be prepared in 1 working day for overnight instrumental analysis. Recovery data are presented from analyses of selected commodities in some of EPA's fruit and vegetable crop groupings. A table listing relative retention times is presented for the N-methyl carbamates and their metabolites. |
| تدمد: | 1944-7922 1060-3271 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_________::b4634abbec8e03e65c909b2e54c0a49a https://doi.org/10.1093/jaoac/87.5.1237 |
| حقوق: | OPEN |
| رقم الأكسشن: | edsair.doi...........b4634abbec8e03e65c909b2e54c0a49a |
| قاعدة البيانات: | OpenAIRE |
| تدمد: | 19447922 10603271 |
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