- P-ISSN 1225-0163
- E-ISSN 2288-8985
- P-ISSN1225-0163
- E-ISSN2288-8985
- SCOPUS, ESCI, KCI
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Analysis of Half-life Time and Residual Concentration of Fungicide Iminoctadine Triacetate in Soils
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2000, v.13 no.1, pp.34-40
Oh,
H., Kim,
I., Jeong,
S., Lim,
B., Han,
S., &
Choi,
Y.
(2000). Analysis of Half-life Time and Residual Concentration of Fungicide Iminoctadine Triacetate in Soils. Analytical Science and Technology, 13(1), 34-40.
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Abstract
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.
- keywords
- iminoctadine triacetate, hexafluroacetylacetone, gas chromatographic analysis
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