Determination of Diacylhydrazines-Type Insect Growth Regulator JS-118 Residues in Cabbage and Soil by High Performance Liquid Chromatography with DAD Detection |
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Authors: | J-Y Hu Z-B Deng and D-M Qin |
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Institution: | (1) School of Applied Science, University of Science and Technology Beijing, 100083 Beijing, China;(2) Institute for the Control of Agrochemicals, Ministry of Agriculture, 100026 Beijing, China |
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Abstract: | JS-118 is a diacylhydrazines-type insect growth regulator used extensively in China now. An analytical method for residues
determination of JS-118 in cabbage and soil samples by high performance liquid chromatography with DAD detection was established
and optimized. Primary secondary amine solid phase extraction cartridge was used for sample preparation. Mean recoveries for
the analyte ranged from 96.6% to 107.0% with CV value less than 4.7%. The limit of quantification is 0.01 mg/kg. Direct confirmation
of JS-118 residues in samples was realized by high performance liquid chromatography-mass spectrometry. The proposed method
is simple, rapid and reliable to perform and could be utilized for monitoring of pesticides residues. |
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