2011
DOI: 10.1021/jf202878s
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Evaluation of a Modified QuEChERS Extraction of Multiple Classes of Pesticides from a Rice Paddy Soil by LC-APCI-MS/MS

Abstract: A new method for the determination of clomazone, fipronil, tebuconazole, propiconazole, and azoxystrobin in samples of rice paddy soil is presented. The extraction of the pesticides from soil samples was performed by using a modified quick, easy, cheap, effective, rugged, and safe (QuEChERS) method. Some extraction conditions such as salt addition, sample acidification, use of buffer, and cleanup step were evaluated. The optimized method dealt with a single extraction of the compounds under study with acidifie… Show more

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Cited by 71 publications
(73 citation statements)
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“…A sample preparation method is needed for the determination of pesticides due to their low concentration levels, different chemical properties of the analytes, and the complexity of soils [8].…”
Section: Analytesmentioning
confidence: 99%
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“…A sample preparation method is needed for the determination of pesticides due to their low concentration levels, different chemical properties of the analytes, and the complexity of soils [8].…”
Section: Analytesmentioning
confidence: 99%
“…Some of the analysed contaminants were sensitive to light and, thus, in some applications, soils were collected using dark or amber bottles [5,39] or stored away from the light [5,8]. The temperature was considered crucial in some studies, [48] where the authors performed recovery tests to determine the stability of the compounds under the storage conditions.…”
Section: Figure 1 Steps In Quechers Extraction A-sieving B-teflon mentioning
confidence: 99%
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