Abstract
A HPLC-UV method for determination of cyprodinil in leek, pepper, and soil was developed and the decline of cyprodinil under field conditions in China was investigated. The samples were extracted with acetonitrile. For leek and pepper samples, further clean-up with a florisil SPE column was necessary. Average recoveries of cyprodinil were found in the range of 82.92–107.43% with relative standard deviations of 2.48–14.55%. The pesticide cyprodinil showed a relatively fast decline rate. The half lives were from 2 to 4 days in leek and pepper, from 2–5 days in soil except in Beijing (14.7 days). So the decline of cyprodinil in leek and pepper was almost same in different experiment plots. However, the decline in soil was much complicated, and affected by the precipitation and other climate condition. The results could provide guidance to safe and reasonable use of this pesticide in agriculture.
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An erratum to this article can be found at http://dx.doi.org/10.1007/s10661-010-1850-4
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Liu, C., Wang, S., Li, L. et al. Analysis of cyprodinil in leek and pepper and its decline under field conditions. Environ Monit Assess 179, 209–215 (2011). https://doi.org/10.1007/s10661-010-1730-y
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DOI: https://doi.org/10.1007/s10661-010-1730-y