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Determination of linear alkylbenzenesulfonates in communal wastewater by means of solid phase microextraction coupled with API-MS and HPLC-FLD

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Abstract

The use of Solid Phase Microextraction (SPME) for the qualitative and quantitative determination of Linear Alkylbenzenesulfonates (LAS) in waste water samples was investigated. A Carbowax/Templated Resin (CW/¶TPR) coated fiber was directly immersed into influent and effluent samples of a sewage treatment plant (STP). Extraction conditions such as time, pH, ion strength were investigated. The extracted LAS were desorbed with a solvent in a specially designed SPME-LC interface for analysis with HPLC-FLD and Electrospray Ionization Mass Spectrometry (ESI-MS). The combination of SPME with ESI-MS proved to be an alternative technique for the LAS determination in waste water. Linear ranges of the external calibration were found from 0.5–100 ng/mL, with detection limits of 0.5 ng/mL for each individual LAS homologue. The reproducibility of the method is 15% (relative standard deviation).

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Authors and Affiliations

  1. Universität Leipzig, Institut für Analytische Chemie, Linnéstrasse 3, D-04103 Leipzig, Germany e-mail: engewald@rz.uni-leipzig.de, , , , , , DE

    U. Ceglarek, J. Efer, A. Schreiber, E. Zwanziger & W. Engewald

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  1. U. Ceglarek
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  2. J. Efer
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  3. A. Schreiber
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  4. E. Zwanziger
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  5. W. Engewald
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Received: 3 May 1999 / Revised: 22 July 1999 / Accepted: 24 July 1999

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Ceglarek, U., Efer, J., Schreiber, A. et al. Determination of linear alkylbenzenesulfonates in communal wastewater by means of solid phase microextraction coupled with API-MS and HPLC-FLD. Fresenius J Anal Chem 365, 674–681 (1999). https://doi.org/10.1007/s002160051544

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  • DOI: https://doi.org/10.1007/s002160051544

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