Determination of atrazine, acetochlor, clomazone, pendimethalin and oxyfluorfen in soil by a solid phase microextraction method
2008
Djurovic, N., Institute of Pesticides and Environmental Protection, Belgrade (Serbia) | Gajic-Umiljendic, J., Institute of Pesticides and Environmental Protection, Belgrade (Serbia) | Djordjevic, T., Institute of Pesticides and Environmental Protection, Belgrade (Serbia)
A solid phase microextraction (SPME) method for simultaneous determination of atrazine, acetochlor, clomazone, pendimethalin and oxyfluorfen in soil samples was developed. The method is based on a combination of conventional liquid-solid procedure and a following SPME determination of the selected pesticides. The main parameters affecting DM/SPME procedures, such as the fibre type, temperature and time of desorption, extraction time and NaCl content, as well as the extraction efficiencies of several solvents (water, hexane, acetonitrile, acetone, and methanol) and the optimum number of extraction step were investigated and optimized. The results presented suggest that the SPME method can be used for efficient and selective extraction of pesticides from complex matrix samples such as soil.
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