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http://dx.doi.org/10.7585/kjps.2015.19.3.161

Gas Chromatographic Method for Multiresidue Analysis of Unregistered Pesticides in Imported Agricultural Commodities  

Lee, Ji-Won (Agro-Food Safety & Crop Protection Department, National Academy of Agricultural Science, Rural Development Administration)
Kang, Jeong-Kyun (Agro-Food Safety & Crop Protection Department, National Academy of Agricultural Science, Rural Development Administration)
Kwon, Hyeyoung (Agro-Food Safety & Crop Protection Department, National Academy of Agricultural Science, Rural Development Administration)
Ro, Jin-Ho (Agro-Food Safety & Crop Protection Department, National Academy of Agricultural Science, Rural Development Administration)
Jin, Yong-Duk (Agro-Food Safety & Crop Protection Department, National Academy of Agricultural Science, Rural Development Administration)
Lee, Je Bong (Agro-Food Safety & Crop Protection Department, National Academy of Agricultural Science, Rural Development Administration)
Hong, Su-Myeoung (Agro-Food Safety & Crop Protection Department, National Academy of Agricultural Science, Rural Development Administration)
Kim, Teak-Kyum (Agro-Food Safety & Crop Protection Department, National Academy of Agricultural Science, Rural Development Administration)
Cho, Nam-Jun (Agro-Food Safety & Crop Protection Department, National Academy of Agricultural Science, Rural Development Administration)
Publication Information
The Korean Journal of Pesticide Science / v.19, no.3, 2015 , pp. 161-173 More about this Journal
Abstract
The multiresidue method 4.1.2.2 in Korea Food Code was extended for the analysis of 24 unregistered pesticide residues. The method includes acetonitrile extraction, liquid-liquid partition, Florisil SPE clean-up and GC analysis. The limits of quantification (LOQ) range of the method was 0.02~0.05 mg/kg for orange, brown rice and banana. The linearity for targeted pesticides were $R^2$ > 0.99 at the level ranged from 0.05 to 5 mg/L. Recovery test was performed at two concentration levels of LOQ and 4~10 times of LOQ. Recoveries and relative standard deviations (RSDs) of target pesticides were acceptable, showing 70~120% range and less than 20%, respectively, except for ethiprole, picloram and sulcotrion. This method is effectively applicable to routine analysis of target pesticides in orange, brown rice and banana.
Keywords
Pesticide residue; Unregistered pesticide; Multiresidue analysis; GC;
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Times Cited By KSCI : 6  (Citation Analysis)
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