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A simplified procedure for determination of clofentezine residues in fruits by liquid chromatography with UV detection

Journal article published in 2004 by Sandro Navickiene ORCID, Ribeiro Maria Lúcia, Maria Lúcia Ribeiro
This paper is available in a repository.
This paper is available in a repository.

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Abstract

A rapid and sensitive method is described for the determination of clofentezine residues in apple, papaya, mango and orange. The procedure is based on the extraction of the sample with a hexane:ethyl acetate mixture (1:1, v/v) and liquid chromatographic analysis using UV detection. Mean recoveries from 4 replicates of fortified fruit samples ranged from 81% to 96%, with coefficients of variation from 8.9% to 12.5%. The detection and quantification limits of the method were of 0.05 and 0.1 mg kg-1, respectively.