Natural formation of chlorobenzoic acids (CBA) and distinction between PCB-degraded CBA

Mono- and dichlorobenzoic acid (CBA) could be found in samples of remote bog pond water and sediment. The 2,4-CBA always had the highest concentrations. In bog water samples the concentrations ranged between 0.11 and 0.48 μg/I. Besides 2,4-CBA, most only 2,5-CBA could be found as dichlorobenzoic aci...

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Main Authors: Niedan, Volker Wolfgang (Author) , Schöler, Heinz Friedrich (Author)
Format: Article (Journal)
Language:English
Published: 1997
In: Chemosphere
Year: 1997, Volume: 35, Issue: 6, Pages: 1233-1241
ISSN:1879-1298
DOI:10.1016/S0045-6535(97)00205-1
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1016/S0045-6535(97)00205-1
Verlag, lizenzpflichtig, Volltext: https://www.sciencedirect.com/science/article/pii/S0045653597002051
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Author Notes:V. Niedan, H.F. Schöler
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Summary:Mono- and dichlorobenzoic acid (CBA) could be found in samples of remote bog pond water and sediment. The 2,4-CBA always had the highest concentrations. In bog water samples the concentrations ranged between 0.11 and 0.48 μg/I. Besides 2,4-CBA, most only 2,5-CBA could be found as dichlorobenzoic acid. In all samples we could detect also trichloroacetic acid (TCAA). The TCAA concentrations correlate with the CBA concentrations. As TCAA is known as a naturally produced organohalogen, this correlation can be seen as an indication to a natural formation of CBA. A confirmation of this presumption is our detection of CBA in a reaction of benzoic acid with the chlorinating enzyme chloroperoxidase (CPO).
Item Description:Elektronische Reproduktion der Druck-Ausgabe vom 13. September 2000
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Physical Description:Online Resource
ISSN:1879-1298
DOI:10.1016/S0045-6535(97)00205-1