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  • Title: [Determination of residues of the fungicide benzimidazole carbamic acid methyl ester and its metabolites 2-aminobenzimidazole and benzimidazole].
    Author: Engst R, Schnaak W.
    Journal: Nahrung; 1979; 23(7):701-6. PubMed ID: 514338.
    Abstract:
    The authors describe a method for extracting and determining benzimidazole carbamic acid methyl ester (MBC) in the presence of its metabolites 2-aminobenzimidazole and benzimidazole. The determination is performed thin-layer and paper chromatographically using visual spot comparison. A sensitive biological method is employed for the detection of MBC. The metabolites are assayed by chemical procedures. The smallest amounts of residues that the authors could detect were: 0.01 p.p.m. of MBC and approximately 0.2 p.p.m. of the metabolites, the recovery rate ranging from 70--85%.
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