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[Identification of eleven urea herbicides by thin-layer and gas-liquid chromatography. I. Application to natural

R Deleu, J P Barthelemy, A Copin

    Journal of Chromatography
    |April 11, 1977
    PubMed

    Abstract:

    By the combined use of two-dimensional thin-layer chromatography and gas chromatography (with an electron capture detector), the authors succeeded in separating and identifying eleven urea herbicides at levels of up to 4 ppb. The method has been applied to natural surface waters.

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