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KMID : 1024520030120101117
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Journal of the Environmental Sciences
2003 Volume.12 No. 10 p.1117 ~ p.1120
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Simultaneous Analysis of Multi-residual pesticides using GC/NPD
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Kim Woo-Seong
Lee Seon-Hwa
Kim Sang-Yub
Jeong Dong-Youn
Kim Jae-I
Lee Young-Ja
Lee Hong-Jae
Jeong Seong-Wook
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 organophosphorus pesticides using GC/NPD. Ultra-2 and Ultra-1 fused silica capillary columns were used to separate and identify the products. Recovery of most analytes from soybean sample, taken from pesticide residues well, was greater than(80%) for all except(6) analytes. This method can simultaneously determine multiple pesticides with a high degree of accuracy and precision.
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KEYWORD
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Organophosphorus, GC/NPD, Simultaneous analysis
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