Monitoring of Uniconazole by Using GC-ECD and GC-MSD
2013
Kim, E.J., Research Institute of Public Health and Environment, Republic of Korea | Hong, C.K., Research Institute of Public Health and Environment, Republic of Korea | Choi, S.J., Research Institute of Public Health and Environment, Republic of Korea | Lee, Y.J., Research Institute of Public Health and Environment, Republic of Korea | Hwang, I.S., Research Institute of Public Health and Environment, Republic of Korea | Kim, M.S., Research Institute of Public Health and Environment, Republic of Korea | Chae, Y.J., Research Institute of Public Health and Environment, Republic of Korea
We evaluated the presence of uniconazole residual pesticide in agricultural products by using multiclass pesticide multiresidue methods. Samples were collected from January to August, 2012. The pesticide was detected in 14 samples among the 3,632 samples tested. Amount of the uniconazole pesticide ranged from 0.098 to 2.2 mg/kg in the 14 samples. This method was described for the simultaneous determination of uniconazole by using gas chromatography with an electron capture detector (GC-ECD) and mass spectrometry (MS). For evaluating the GC-ECD method, uniconazole was spiked into gyeojachae at a level of 0.05, 0.5 mg/kg. The recoveries of uniconazole with the GC-ECD method ranged from 98.9-109.4%. The results indicate that our method of simultaneous analysis is applicable to uniconazole analysis.
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