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Development of Analytical Method and Monitoring for Bifenazate in Commercial Agricultural Products  

Park, Eun-Heui (Gwangju Regional Korea Food and Drug Administration)
Go, Myoung-Jin (Gwangju Regional Korea Food and Drug Administration)
Cho, Myong-Shik (Gwangju Regional Korea Food and Drug Administration)
Kim, Young-Sun (Seoul Regional Korea Food and Drug Administration)
Lee, Jin-Ha (Gwangju Regional Korea Food and Drug Administration)
Choi, Dong-Mi (Gwangju Regional Korea Food and Drug Administration)
Publication Information
The Korean Journal of Pesticide Science / v.14, no.1, 2010 , pp. 21-29 More about this Journal
Abstract
The analytical method for bifenazate was developed using a HPLC (UVD). Also, analytical condition of LC/MS was set up for bifenazate. We validated the method for the precision and the reproducibility. The correlation coefficient of bifenazate ranged from 0.05 to 2.5 mg/kg was 1.0. Limit of quantitation (LOQ) was 0.01 mg/kg. To measure recoveries from agricultural products such as foxtail millet (cereal grains), kidney bean (beans), orange (fruits), perilla leaves (vegetables) and oak mushroom (mushrooms), bifenazate was spiked. Mean recoveries of bifenazate for each sample were 82.7~104.1% at the level of 0.1 mg/kg and 73.1~104.3% at the level of 0.5 mg/kg. The relative standard deviations (n=3) were 0.2~9.7%. Pesticide residues for bifenazate were investigated in 16 commodities (rice, foxtail millet, buckwheat, kidney bean, peanut, sesame, orange, grapefruit, kiwifruit, spinach, perilla leaves, leek, garlic stem, garlic, ginger and oak mushroom) collected from 22 provinces in 2009. Bifenazate was analyzed using analytical method by HPLC from 304 samples, and residue was not detected.
Keywords
bifenazate; pesticides; monitoring; LC/MS;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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