- P-ISSN 1225-0163
- E-ISSN 2288-8985
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- P-ISSN1225-0163
- E-ISSN2288-8985
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Determination of Residual Concentration and Half-life Time in Soils of Imidazole Fungicide Prochloraz
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2002, v.15 no.1, pp.10-71
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(2002). Determination of Residual Concentration and Half-life Time in Soils of Imidazole Fungicide Prochloraz. Analytical Science and Technology, 15(1), 10-71.
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Abstract
residual analysis and half-life time of imidazole fungicide prochloraz in soils (silty clay) were investigated by gas chromatography equipped electron capture detector (GC-ECD). The soil samples were extracted acetone/hexane(1:1) solvent and analyzed after separated by LC-NH2 Sep-Pak solid column. Linear sensitivity of standard calibration curve was Y = 268.8600X + 0.0664, R2 = 0.9998 between 0.05∼1.00 ng. The detection limit was 0.02 ㎎/L and the average recoveries were 94.5∼97.3% from the standard additional experiments with 0.10 and 0.40 ㎎/L. The half-life time was 24.4 days in room laboratory and 7.6 days in the field test soil.
- keywords
- prochloraz, residue analysis, half-life time
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