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Method for Residue Determination of Esfenvalerate in Cabbage and Soil

Zheng Shi-you

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Abstract

A method for residue determination of Esfenvalerate in cabbage and soil was developed. The procedure was described,including extraction by acetone and petroleum ether,cleaning up by passing through a column made up of neutral alumina,determination by GC with ECD. The average recoveries of cabbage and soil were 90.7%～98.3% and 90.7%～97.0%. The coefficients of variation were 4.8～7.6 and 3.8～5.0. Limits of detection were 0.0025 and 0.00025mg/kg.

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A method for residue determination of Esfenvalerate in cabbage and soil was developed. The procedure was described,including extraction by acetone and petroleum ether,cleaning up by passing through a column made up of neutral alumina,determination by GC with ECD. The average recoveries of cabbage and soil were 90.7%～98.3% and 90.7%～97.0%. The coefficients of variation were 4.8～7.6 and 3.8～5.0. Limits of detection were 0.0025 and 0.00025mg/kg.

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Available abstract

A method for residue determination of Esfenvalerate in cabbage and soil was developed. The procedure was described,including extraction by acetone and petroleum ether,cleaning up by passing through a column made up of neutral alumina,determination by GC with ECD. The average recoveries of cabbage and soil were 90.7%～98.3% and 90.7%～97.0%. The coefficients of variation were 4.8～7.6 and 3.8～5.0. Limits of detection were 0.0025 and 0.00025mg/kg.

Key concepts: Residue (chemistry), Petroleum ether, Chromatography, Acetone, Chemistry, Soil test, Extraction (chemistry), Environmental science

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