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Application of solid-phase microextraction and gas chromatography with electron-capture and mass spectrometric detection for the determination of hexachlorocyclohexanes in soil solutions

Titelangaben

Popp, Peter ; Kalbitz, Karsten ; Oppermann, Gudrun:
Application of solid-phase microextraction and gas chromatography with electron-capture and mass spectrometric detection for the determination of hexachlorocyclohexanes in soil solutions.
In: Journal of Chromatography A. Bd. 687 (1994) Heft 1 . - S. 133-140.
ISSN 0021-9673
DOI: https://doi.org/10.1016/0021-9673(94)00794-2

Abstract

Solid-phase microextraction (SPME) is a method for the extraction of organic compounds from aqueous samples. The analytes are extracted into a stationary phaseplaced on a fused-silica fibre and are thermally desorbed in the injector of a gas chromatograph. The connection of GC with electron-capture (ECD) and massspectrometric (MS) detection with the SPME method makes it possible to determine low concentrations of organochlorine compounds in aqueous solutions. With hexachlorocyclohexanes (HCHs) detection limits between 5 ng/l (for alpha- and gamma-HCH with the combination of SPME and GC-ECD) and 80 ng/l (forbeta-HCH with the combination of SPME and GC-MS) were calculated. The SPME-GC method was used to investigate the mobility of HCHs in wetland soils near Bitterfeld. The results of this study show the high mobility of beta-HCH despite the low water solubility and the long persistence of beta-HCH in soils. The proportion of beta-HCH in the total HCH concentration is higher in soil solutions (80-90%) than in soils.

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Publikationsform: Artikel in einer Zeitschrift
Begutachteter Beitrag: Ja
Zusätzliche Informationen: BAYCEER9136
Institutionen der Universität: Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Geowissenschaften > Lehrstuhl Bodenökologie
Forschungseinrichtungen > Forschungszentren > Bayreuther Zentrum für Ökologie und Umweltforschung - BayCEER
Fakultäten
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Geowissenschaften
Forschungseinrichtungen
Forschungseinrichtungen > Forschungszentren
Titel an der UBT entstanden: Ja
Themengebiete aus DDC: 500 Naturwissenschaften und Mathematik
Eingestellt am: 30 Okt 2015 07:19
Letzte Änderung: 30 Jun 2022 09:34
URI: https://eref.uni-bayreuth.de/id/eprint/21032