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KMID : 1024520030120040477
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Journal of the Environmental Sciences
2003 Volume.12 No. 4 p.477 ~ p.480
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Simultaneous Analytical Method of Organochlorine and Pyrethroid Pesticides using GC(ECD)
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Kim Woo-Seong
Lee Seon-Hwa
Kim Jae-I
Jeong Ji-Yoon
Lee Myeong-Ja
Park Yeong-Chai
Lee Young-Ja
Jeong Sung-Wook
Lee Bong-Hun
Park Heung-Jai
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Abstract
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Pesticides were extracted from samples with 70% acetone and methylene chloride in order, and then cleaned up via open-column chromatography apparatus packed with florisil, and finally analyzed simultaneously the organochlorine and pyrethroid pesticides using GC(ECD). An ultra-2 fused silica capillary column was used to separate and identify the products. The resolution between the last isomeric peak of cypermethrin(59.987min) and the first isomeric peak of flucythrinate(60.043min) was not satisfactory. The last isomeric peak of fenvalerate(62.344min) and the first isomeric peak of fluvalinate(62.397min) were overlapped. Recoveries of soybean sample fer the most pesticides were 73.3% to 102.4%. Detection limits were between 0.004 and 0.063 g/mg when this method was used.
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KEYWORD
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Simultaneous analytical method, Organochlorine, Pyrethroid Pesticides, GC(ECD)
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