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Quantifizierung organischer Substanzen in Aktivkohleextrakten mit Hilfe der Gas-Chromatographie/Massenspektrometrie

Quantitative determination of organic compounds in extracts of activated carbon by means of GC/MS

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Summary

Use of activated carbon plays a significant role in water technology and analytical chemistry. Therefore determination of substances adsorbed on activated carbon is of special interest. As an example, granulated activated carbon (GAC) from a water treatment plant was serially extracted with different organic solvents. Quantitative determination of some selected compounds in the combined extracts was done by gas chromatography/mass spectrometry. The method of internal standard addition and calibration by response factors was used. The determined compounds (all of substituted benzene type) were extracted from the GAC in the concentration range from 0.2 mg/100 g (m-dichlorobenzene) to 5 mg/100 g (nitrobenzene). Relative standard deviation for double determination of five independent samples from the GAC filter was less than ±20%

Spike experiments were performed to determine recovery efficiences. As expected, substance specific differences appeared and the recoveries were between 36% (m-dichlorobenzene) and 80% (nitrobenzene). A significant limitation for quantitative determination results from lack of available substances for calibration.

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Authors and Affiliations

  1. Institut für Wasserchemie und Chemische Balneologie, Technische Universität München, Marchioninistraße 17, D-8000, München 70, Bundesrepublik Deutschland

    Fritz H. Frimmel

  2. Department of Pediatrics, Devision of Genetics and Metabolism, Duke University, 27710, Durham, NC, USA

    David S. Millington

  3. Department of Environmental Sciences and Engineering, University of North Carolina at Chapel Hill, 27514, Chapel Hill, NC, USA

    Russell F. Christman

Authors
  1. Fritz H. Frimmel
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  2. David S. Millington
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  3. Russell F. Christman
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Frimmel, F.H., Millington, D.S. & Christman, R.F. Quantifizierung organischer Substanzen in Aktivkohleextrakten mit Hilfe der Gas-Chromatographie/Massenspektrometrie. Z. Anal. Chem. 327, 149–153 (1987). https://doi.org/10.1007/BF00469808

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  • DOI: https://doi.org/10.1007/BF00469808

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