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A new analytical approach for the comprehensive characterization of polar xenobiotic organic compounds downgradient of old municipal solid waste (MSW) landfills

By A. Preiß, E. Berger-Preiß, M. Elend, S. Gerling, S. Kühn and S. Schuchardt

Abstract

Groundwater samples collected downgradient from a former municipal solid waste landfill near Berlin, Germany, were analyzed by GC-MS, HPLC-MS, and HPLC-NMR hyphenated techniques to comprehensively characterize the xenobiotic organic compounds (XOCs). The focus thereby was on the detection and identification of the polar XOCs which were analyzed in the extract obtained after separation of the unpolar components by pre-extraction. HPLC-NMR and HPLC-MS runs were used to identify polar XOCs on-line or to obtain preliminary structure information on the other XOCs. These compounds were then isolated by HPLC fractionation and their structures elucidated by off-line NMR and MS investigations. A variety of polar XOCs, products of the dye industry, degradation products of polyethylene glycol, and some heterocyclic compounds could be identified. Furthermore, a semi-quantitative estimation of the identified polar compounds is given

Topics: MSW landfill, polar XOCs, groundwater contamination, non-target analysis, GC-MS, HPLC-NMR, HPLC-MS, H NMR, 2D NMR, MS, leachate
Year: 2012
DOI identifier: 10.1007/s00216-012-5941-7
OAI identifier: oai:fraunhofer.de:N-206683
Provided by: Fraunhofer-ePrints
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