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Determination of phenoxy acid herbicides by high-performance liquid chromatography and on-line enrichment

II. Determination of phenoxy acid herbicides in soil samples

Bestimmung von Phenoxycarbonsäure-Herbiciden durch HPLC und On-line Anreicherung

II. Bestimmung von Phenoxycarbonsäure-Herbiciden in Bodenproben

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Summary

The recovery rates of 2,4-D, MCPA and 2,4,5-T in three different soils were determined. The concentration ranges were 5–0.5 ppm and 10–2.5 ppb. The analysis was carried out by means of HPLC. In the lower concentration range an on-line enrichment was used, accompanied by an increase of the detection sensitivity for a hundred times. The determination was carried out by UV-detection at the absorption maximum of phenoxy acids at 230 nm. The recovery rates range from 68% to 92% for 2,4-D, 72% to 89% for MCPA and 60% to 83% for 2,4,5-T.

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Authors and Affiliations

  1. Fachbereich Chemie und Chemietechnik, Angewande Chemie, Universität-Gesamthochschule Paderborn, Postfach 1621, D-4790, Paderborn, Federal Republic of Germany

    M. Meier, R. Hamann & A. Kettrup

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  1. M. Meier
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  2. R. Hamann
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  3. A. Kettrup
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Part I: see [8]

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Meier, M., Hamann, R. & Kettrup, A. Determination of phenoxy acid herbicides by high-performance liquid chromatography and on-line enrichment. Z. Anal. Chem. 334, 235–237 (1989). https://doi.org/10.1007/BF00497248

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  • DOI: https://doi.org/10.1007/BF00497248

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