Journal of Agricultural and Food Chemistry 2001-02-01

Development of a gas chromatographic method for fungicide cymoxanil analysis in dried hops.

M J Hengel, T Shibamoto

Index: J. Agric. Food Chem. 49(2) , 570-3, (2001)

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Abstract

An analytical method for detecting cymoxanil [2-cyano-N-[(ethylamino)carbonyl]-2-(methoxyimino)acetamide] residues in dried hops was developed utilizing liquid-liquid partitioning, automated gel permeation chromatography (GPC), solid phase extraction (SPE) cleanup, and gas chromatography (GC). Method validation recoveries from dried hops were 96 +/- 12, 108 +/- 11, and 136 +/- 8% over three levels of fortification (0.05, 0.5, and 1.0 ppm, respectively). The hop samples from three field sites, which were treated with cymoxanil, had residue levels ranging from 0.146 to 0.646 ppm. The detection limit and the quantitation limit of the method developed in the present study were 0.022 and 0.050 ppm, respectively.

Related Compounds

  • cymoxanil

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