Gas Chromatographic Determination of Pesticide Residues in Plant Material after Clean-up by Gel Chromatography and Mini-silica Gel Column Chromatography. 1st Report: Organochlorine Pesticides in Tobacco and Tobacco Products/Gaschromatographische Bestimmung von Rückständen an Pflanzenbehandlungsmitteln nach Clean-up über Gelchromatographie und Mini-Kieselgel-Säulenchromatographie. 1. Mitteilung: Organochlor-Pflanzenbehandlungsmittel in Tabak und Tabakerzeugnissen
Abstract:This report contains the first description of a method for pesticide residue determination using automated gel permeation chromatographic clean-up. The example of organochlorine pesticides in tobacco and tobacco products has been taken here to illustrate this method. Water is added to the sample which is then extracted with acetone such that the ratio of the volume of acetone used to the total volume of water is 2 :1. The key step in the method is the efficient removal of co-extracted plant constituents, by ge… Show more
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