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High-Performance Liquid Chromatographic Determination of Cyclosulfamuron Residues in Soil, Water, Rice Grain and Straw
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High-Performance Liquid Chromatographic Determination of Cyclosulfamuron Residues in Soil, Water, Rice Grain and Straw
Lee, Young-Deuk; Kwon, Chan-Hyeok;
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Analytical methods were developed to determine cyclosulfamuron residues in soil, water, rice grain and straw using high-performance liquid chromatography (HPLC) with ultraviolet absorption detection. In these methods, cyclosulfamuron was extracted with aqueous /acetone and acetone/methanol mixture from soil and rice samples respectively. Liquid-liquid partition coupled with ion-associated technique, Florisil column chromatography, and solid-phase extraction (SPE) were used to separate cyclosulfamuron from interfering co-extractives prior to HPLC analysis. For water sample, the residue was enriched in -SPE cartridge, cleaned up in situ, and directly subjected to HPLC. Reverse-phase HPLC under ion-suppression was successfully applied to determine cyclo-sulfamuron in sample extracts with the detection at its (254 nm). Recoveries from fortified samples averaged (n=12), (n=12), (n=6), and (n=6) for soil, water, rice grain and straw, respectively. Detection limits of the methods were 0.004 mg/kg, 0.001 mg/L, 0.01 mg/kg and 0.02 mg/kg for soil, water, rice grain and straw samples, respectively.
Cyclosulfamuron;residue analysis;HPLC determination;soil;water;rice;
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토양 중 농약의 동태,이규승;

농약과학회지, 2010. vol.14. 3, pp.303-307
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