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http://dx.doi.org/10.7585/kjps.2014.18.4.269

Analysis of Diflubenzuron in Agricultural Commodities by Multiresidue Method  

Park, Sun-Hee (Gangnam Agro-Fishery Products Inspection Center, Seoul Metropolitan Government Research Institute of Public Health and Environment)
Han, Chang-Ho (Gangnam Agro-Fishery Products Inspection Center, Seoul Metropolitan Government Research Institute of Public Health and Environment)
Kim, Ae-Kyung (Gangnam Agro-Fishery Products Inspection Center, Seoul Metropolitan Government Research Institute of Public Health and Environment)
Shin, Jae-Min (Gangnam Agro-Fishery Products Inspection Center, Seoul Metropolitan Government Research Institute of Public Health and Environment)
Lee, Jae-Kyoo (Gangnam Agro-Fishery Products Inspection Center, Seoul Metropolitan Government Research Institute of Public Health and Environment)
Park, Young-Hae (Gangnam Agro-Fishery Products Inspection Center, Seoul Metropolitan Government Research Institute of Public Health and Environment)
Kim, Ji-Min (Gangnam Agro-Fishery Products Inspection Center, Seoul Metropolitan Government Research Institute of Public Health and Environment)
Hwang, Lae-Hong (Gangnam Agro-Fishery Products Inspection Center, Seoul Metropolitan Government Research Institute of Public Health and Environment)
Chang, Min-Su (Gangnam Agro-Fishery Products Inspection Center, Seoul Metropolitan Government Research Institute of Public Health and Environment)
Song, Mi-Ok (Gangnam Agro-Fishery Products Inspection Center, Seoul Metropolitan Government Research Institute of Public Health and Environment)
Park, Ju-Sung (Gangnam Agro-Fishery Products Inspection Center, Seoul Metropolitan Government Research Institute of Public Health and Environment)
Yun, Eun-Sun (Gangnam Agro-Fishery Products Inspection Center, Seoul Metropolitan Government Research Institute of Public Health and Environment)
Kim, Mu-Sang (Gangnam Agro-Fishery Products Inspection Center, Seoul Metropolitan Government Research Institute of Public Health and Environment)
Jung, Kweon (Gangnam Agro-Fishery Products Inspection Center, Seoul Metropolitan Government Research Institute of Public Health and Environment)
Publication Information
The Korean Journal of Pesticide Science / v.18, no.4, 2014 , pp. 269-277 More about this Journal
Abstract
The multiclass pesticide multiresidue method for the simultaneous determination of diflubenzuron in agricultural products was conducted by using HPLC-UVD. The method was validated through the guidelines of linearity, specificity, limit of detection (LOD), limit of quantification (LOQ), accuracy and precision with pesticide-free spinach, Korean cabbage, eggplant, squash, sweet pepper, cucumber, Korean melon. The calibration curve of diflubenzuron was linear over the concentration range of 0.05-5 mg/kg with correlation coefficient of above 0.99999. The limit of detection and quantification was 0.008 and 0.02 mg/kg. Mean recoveries of diflubenzuron for each sample were 77.5-105.6%. Relative standard deviation (RSD) in recoveries were all less than 20%. The intra-day and inter-day precision (RSD) were 0.4-1.9% and 0.7-1.9%, respectively. The result of validation indicated that this method was accurate and rapid assay.
Keywords
multiclass pesticide multiresidue method; agricultural products; diflubenzuron; HPLC;
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Times Cited By KSCI : 3  (Citation Analysis)
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