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  • Title: The use of various chromatographic techniques for the determination of phenylurea herbicides and their corresponding anilines in environmental samples. II. Applications.
    Author: de Kok A, van Opstal M, de Jong T, Hoogcarspel B, Geerdink RB, Frei RW, Brinkman UA.
    Journal: Int J Environ Anal Chem; 1984; 18(1-2):101-23. PubMed ID: 6530327.
    Abstract:
    In earlier work, various strategies have been developed for the trace-level determination of phenylurea herbicides and the anilines which are their main degradation products. They include catalytic hydrolysis of the phenylureas on silica, liquid chromatographic fractionation of complex mixtures of herbicides and anilines, derivatization of anilines and herbicides with electron-capture-sensitive reagents, and final analysis by means of capillary gas chromatography. In the present paper, the application of these principles to trace-level analysis of surface water, soil and crop samples is demonstrated.
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