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  • Title: Electron capture gas chromatographic determination of thiabendazole in yams.
    Author: Bardalaye PC, Wheeler WB.
    Journal: J Assoc Off Anal Chem; 1986; 69(1):114-6. PubMed ID: 3949684.
    Abstract:
    A method for the determination of thiabendazole in yams is reported. The method consists of extracting the chopped crops with ethyl acetate followed by distilled water wash and liquid liquid extraction of the chemicals into dilute hydrochloric acid. The sample is further cleaned up by making the aqueous acidic fraction alkaline and repartitioning into ethyl acetate. The determination step includes evaporation of the cleaned up extract to dryness, derivatization with pentafluorobenzoyl chloride, and determination of the derivatized thiabendazole in acetone by gas chromatography with electron capture detection.
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