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After extraction with a mixture of acetone, dichloromethane\u2010petroleum ether, and ethyl acetate, an extract aliquot of 100 \u03bcL was injected directly without any additional clean\u2010up into the chromatographic system using two reversed phase C<jats:sub>18<\/jats:sub> coupled columns. The LC\u2010LC approach allowed automated sample clean up of the vegetal extracts, leading to a simple and rapid analytical procedure, with limits of quantification between 0.01 and 0.05 mg kg<jats:sup>\u20131<\/jats:sup>. Recovery experiments performed on orange and banana samples fortified at different concentrations (0.01\u20134 mg kg<jats:sup>\u20131<\/jats:sup>) gave average recoveries between 70 and 113% with relative standard deviations lower than 15%. The procedure developed was finally applied to orange and banana samples from different geographical locations and the results were confirmed by GC\u2010MS.<\/jats:p>","DOI":"10.1002\/jssc.200401760","type":"journal-article","created":{"date-parts":[[2004,5,19]],"date-time":"2004-05-19T06:00:36Z","timestamp":1084946436000},"page":"645-652","source":"Crossref","is-referenced-by-count":10,"title":["Determination of fungicide residues in fruits by coupled\u2010column liquid chromatography"],"prefix":"10.1002","volume":"27","author":[{"given":"Tatiana","family":"Zamora","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Carmen","family":"Hidalgo","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Francisco J.","family":"L\u00f3pez","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"F\u00e9lix","family":"Hern\u00e1ndez","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2004,6,7]]},"reference":[{"key":"e_1_2_1_2_2","unstructured":"www.mapya.es: L\u00edmites m\u00e1ximos de residuos de productos fitosanitarios. 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