Journal of Biosystems Engineering

  • 제32권2호
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  • Pages.121-129
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  • 2007
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  • 1738-1266(pISSN)
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  • 2234-1862(eISSN)
한국농업기계학회 (Korean Society for Agricultural Machinery)
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마이크로파를 이용한 잔류 살충제 Imidacloprid 분석용 시료전처리 기술개발

Development of the Sample Pretreatment Technique using Microwave for Analysis of Insecticide Imidacloprid Residues

  • Ahn, S.Y. (Korea Rural Community & Agriculture Corporation) ;
  • Cho, H.K. (Dept. of Biosystems Engineering, Chungbuk National University) ;
  • Lee, E.Y. (Dept. of Agricultural Chemistry, Chungbuk National University)
  • 발행 : 2007.04.25
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초록

This study was conducted to elucidate extraction efficiency by microwave technique in comparison with sonication technique for extraction of insecticide residue in pear. In the analysis of the extraction efficiency of microwave for a pear spiked with imidacloprid, the extraction efficiency by microwave power of 300 W with extraction temperature of $80^{\circ}C$, heating time of 1 to 3 minute was shown to be similar with the extraction time 20 minutes by sonication. The optimal condition. in consideration of economical condition and treatment time, for microwave extraction of imidacloprid in the pear were 300 watts of power supply, $100^{\circ}C$ of extraction temperature, 1 minute of heating time and 10 mL of acetone volume. A new microwave vessel was developed to rapidly process the sample of the insecticide imidacloprid residues in the pear. This vessel was designed to include a reaction chamber and a filtration equipment, and a gathering chamber. The system could curtail a pretreatment time to 21 minutes than sonication and 7.9 minutes than the previous microwave vessel.

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참고문헌

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