Analysis of Half-life Time and Residual Concentration of Fungicide Iminoctadine Triacetate in Soils

토양에서 살균제 Iminoctadine Triacetate의 반감기와 잔류농도의 분석

  • Oh, Hae-Bum (Department of Chemistry, Woosuk University) ;
  • Kim, Il-Kwang (Department of Chemistry, Wonkwang University) ;
  • Jeong, Seung-ll (Department of Chemistry, Wonkwang University) ;
  • Lim, Bang-Hyun (Department of Agricultural Chemistry, Wonkwang University) ;
  • Han, Sung-Soo (Department of Agricultural Chemistry, Wonkwang University) ;
  • Choi, Yong-Hwa (Department of Analysis, Dongbu Research Council)
  • 오해범 (우석대학교 이공대학 화학과) ;
  • 김일광 (원광대학교 자연과학대학 화학과) ;
  • 정승일 (원광대학교 자연과학대학 화학과) ;
  • 임방현 (원광대학교 생명자원과학대학 농화학과) ;
  • 한성수 (원광대학교 생명자원과학대학 농화학과) ;
  • 최용화 (동부기술원 연구기획부 분석화학과)
  • Received : 1999.10.09
  • Published : 2000.02.25


The optimum conditions for the half-life time and residual analysis of the iminoactadine triacetate fungicide on soils were investigated by using the gas chromatography. Iminoctadine triacetate(IOTA) was extracted from soils with 2.0 M-NaOH/methanol and chloroform. The extracted IOTA was derivatized to pyrimidine hexafluroacetylacetone by the acetylation and analyzed with GC/ECD after elimination of moisture and impurities on the Sep-Pak column. From the standard addition experiments with 0.1 and 1.0 ppm, the average recoveries were ranged from 83.8 to 93.2 % and the detection limit was 0.005 ppm. The half-life time of iminoctadine triacetate in the silty clay was 30 days in the laboratory and 19.5 days in the field test whereas it was 27 days and 17.5 days for each in case of silty loam.


iminoctadine triacetate;hexafluroacetylacetone;gas chromatographic analysis


Supported by : 원광대학교, 우석대학교


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