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...
Gespeichert in:
| Hauptverfasser: | , |
|---|---|
| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
1997
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| In: |
Chemosphere
Year: 1997, Jahrgang: 35, Heft: 6, Pages: 1233-1241 |
| ISSN: | 1879-1298 |
| DOI: | 10.1016/S0045-6535(97)00205-1 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1016/S0045-6535(97)00205-1 Verlag, lizenzpflichtig, Volltext: https://www.sciencedirect.com/science/article/pii/S0045653597002051 |
| Verfasserangaben: | V. Niedan, H.F. Schöler |
MARC
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| 520 | |a 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). | ||
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| 650 | 4 | |a trichloroacetic acid | |
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