Specific Features of Reversed-Phase High-Performance Liquid Chromatography as Applied to Determining the Distribution Coefficients of Pesticides in the Hexane-Acetonitrile System |
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| Authors: | Ostroukhova O K Zenkevich I G Yuzikhin O S Dolzhenko V I |
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| Institution: | (1) Research Institute of Chemistry, St. Petersburg State University, St. Petersburg, Russia;(2) Russian Institute of Plant Protection, St. Petersburg, Russia |
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| Abstract: | The suitability of reversed-phase high-performance liquid chromatography for determining the distribution coefficients of organic compounds in the hexane-acetonitrile system was considered. A version of the necessary additional step in the sample preparation procedure was proposed, namely, changing from nonpolar hexane to a solvent unlimitedly miscible with the eluent. The distribution coefficients were determined for 20 pesticides by the proposed method and compared with those determined by gas chromatography. |
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