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  • Title: [A method for the determination of fungicide residues in citrus and other fruit using HPLC and selective detection].
    Author: Luckas B.
    Journal: Z Lebensm Unters Forsch; 1987 Mar; 184(3):195-7. PubMed ID: 3577424.
    Abstract:
    A HPLC-method is described for the determination of diphenyl, o-phenylphenol, thiabendazole, diphenylamine, and ethoxiquin in different fruits (detection limits: 0.1 mg/kg). The compounds are extracted with dichloromethane, and after concentration and filtration steps the determination is carried out by HPLC with selective detection. Chromatographic separation of fungicides is achieved by use of a RP-18 column with a methanolic formic acid buffer as eluent. The working parameters of three different HPLC-detectors (UV-, fluorimetric-, and electrochemical detector) are optimized, and it is shown that residues of the fungicides in plant materials can be determinated at least by two detectors without interferences.
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