Abstract
A rapid and economical method is described for the determination of deltamethrin in wheat, rice, peanuts and corn. It is based on simultaneous extraction and clean-up on a column packed with alumina and silica gel using n-hexane-ethyl ether (8:2, v/v), followed by a derivatization step and gas-chromatographic analysis. Recoveries from fortified cereal and peanut samples were determined at four concentration levels and ranged from 73 to 109%. The detection limits were 0.01 to 0.03 mg/ kg. This method simplifies the traditional procedures in terms of sample size, solvent consumption and analysis time.
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Received: 25 March 1997 / Revised: 3 June 1997 / Accepted: 4 June 1997
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Navickiene, S., Kato, M., Polese, L. et al. Gas-chromatographic determination of deltamethrin in crops. Fresenius J Anal Chem 360, 252–255 (1998). https://doi.org/10.1007/s002160050684
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DOI: https://doi.org/10.1007/s002160050684