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von Abercron E, Falk S, Stahl T, et al. Determination of adsorbable organically bound fluorine (AOF) and adsorbable organically bound halogens as sum parameters in aqueous environmental samples using combustion ion chromatography (CIC). Sci Total Environ. 2019;673:384-391doi: 10.1016/j.scitotenv.2019.04.068.
von Abercron, E., Falk, S., Stahl, T., Georgii, S., Hamscher, G., Brunn, H., & Schmitz, F. (2019). Determination of adsorbable organically bound fluorine (AOF) and adsorbable organically bound halogens as sum parameters in aqueous environmental samples using combustion ion chromatography (CIC). The Science of the total environment, 673384-391. https://doi.org/10.1016/j.scitotenv.2019.04.068
von Abercron, Eleonora, et al. "Determination of adsorbable organically bound fluorine (AOF) and adsorbable organically bound halogens as sum parameters in aqueous environmental samples using combustion ion chromatography (CIC)." The Science of the total environment vol. 673 (2019): 384-391. doi: https://doi.org/10.1016/j.scitotenv.2019.04.068
von Abercron E, Falk S, Stahl T, Georgii S, Hamscher G, Brunn H, Schmitz F. Determination of adsorbable organically bound fluorine (AOF) and adsorbable organically bound halogens as sum parameters in aqueous environmental samples using combustion ion chromatography (CIC). Sci Total Environ. 2019 Jul 10;673:384-391. doi: 10.1016/j.scitotenv.2019.04.068. Epub 2019 Apr 06. PMID: 30991328.
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Sci Total Environ. 2019 Jul 10;673:384-391. doi: 10.1016/j.scitotenv.2019.04.068. Epub 2019 Apr 06.

Determination of adsorbable organically bound fluorine (AOF) and adsorbable organically bound halogens as sum parameters in aqueous environmental samples using combustion ion chromatography (CIC).

The Science of the total environment

Eleonora von Abercron, Sandy Falk, Thorsten Stahl, Sebastian Georgii, Gerd Hamscher, Hubertus Brunn, Franz Schmitz

Affiliations

  1. Hessian State Laboratory, Glarusstrasse 6, D-65203 Wiesbaden, Germany. Electronic address: [email protected].
  2. Hessian State Laboratory, Glarusstrasse 6, D-65203 Wiesbaden, Germany.
  3. Hessian State Laboratory, Am Versuchsfeld 11-13, D-34128 Kassel, Germany.
  4. Justus Liebig University Giessen, Heinrich-Buff-Ring 17-19, D-35392 Giessen, Germany.
  5. Hessian State Laboratory, Schubertstrasse. 60, D-35392 Giessen, Germany.

PMID: 30991328 DOI: 10.1016/j.scitotenv.2019.04.068

Abstract

Because of their toxicity and biomagnification potential individual perfluoroalkyl and polyfluoroalkyl substances (PFAS) are regularly examined in food and environmental matrices by LC-MS/MS. The combustion ion chromatography (CIC) can be used to determine adsorbable organic fluorine (AOF) in aqueous samples. This report describes the optimization and validation of an automated, robust, cost-efficient and rapid CIC method for the determination of AOF. The analysis of 25 fluorinated organic reference substances was performed with recoveries between 16% and 121%. Water from selected surface waters (n = 74), municipal (n = 116) and industrial wastewaters (n = 33) as well as ground water (n = 93) were analyzed by means of CIC. The AOF values of surface water varied between 2.3 and 24.5 μg/L. The concentrations of AOF in 85% of the wastewater discharges were between 2.0 and 8.5 μg/L, while 15% of the samples were below the limit of quantitation (LOQ = 2 μg/L AOF). In 56% of the ground water samples the values were below the LOQ. In 44% of the surface water samples (n = 41) the values were between 2.0 and 6.1 μg/L AOF. CIC analysis was performed in 22 samples from a chemical company wastewater treatment plant, and 14 individual PFAS were determined by LC-MS/MS. AOF values up to 555 μg/L were found in these samples while the total of the individual PFAS, calculated as fluorine, was 8.8 μg/L. This provides evidence, that CIC covers a huge range of fluoroorganic compounds that are presently not detected by LC-MS/MS. Furthermore, the CIC method allowed the determination of four halogens in 26 surface water samples. This demonstrated that the CIC technique can be used as a powerful screening test to support LC-MS/MS methods, and is also useful to detect organic chlorine, bromine and iodine compounds (AOCl, AOBr and AOI).

Copyright © 2019 Elsevier B.V. All rights reserved.

Keywords: AOF; Aqueous environmental samples; CIC; LC-MS/MS

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