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Open Access Exploring the Behaviour of Emerging Contaminants in the Water Cycle using the Capabilities of High Resolution Mass Spectrometry

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To characterize a broad range of organic contaminants and their transformation products (TPs) as well as their loads, input pathways and fate in the water cycle, the Department of Environmental Chemistry (Uchem) at Eawag applies and develops high-performance liquid chromatography (LC) methods combined with high-resolution tandem mass spectrometry (HRMS/MS). In this article, the background and state-of-the-art of LC-HRMS/MS for detection of i) known targets, ii) suspected compounds like TPs, and iii) unknown emerging compounds are introduced briefly. Examples for each approach are taken from recent research projects conducted within the department. These include the detection of trace organic contaminants and their TPs in wastewater, pesticides and their TPs in surface water, identification of new TPs in laboratory degradation studies and ozonation experiments and finally the screening for unknown compounds in the catchment of the river Rhine.

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Keywords: EMERGING CONTAMINANTS; HIGH-RESOLUTION MASS SPECTROMETRY; NON-TARGET SCREENING; TRANSFORMATION PRODUCTS; WATER CYCLE

Document Type: Research Article

Affiliations: 1: Eawag, Swiss Federal Institute of Aquatic Science and Technology Überlandstrasse 133 CH-8600 Dübendorf, Switzerland; Institute of Biogeochemistry and Pollutant Dynamics ETH Zürich, CH-8092 Zürich, Switzerland. [email protected] 2: Eawag, Swiss Federal Institute of Aquatic Science and Technology Überlandstrasse 133 CH-8600 Dübendorf, Switzerland 3: Eawag, Swiss Federal Institute of Aquatic Science and Technology Überlandstrasse 133 CH-8600 Dübendorf, Switzerland; Institute of Biogeochemistry and Pollutant Dynamics ETH Zürich, CH-8092 Zürich, Switzerland

Publication date: 2014-11-01

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  • International Journal for Chemistry and Official Membership Journal of the Swiss Chemical Society (SCS) and its Divisions

    CHIMIA, a scientific journal for chemistry in the broadest sense, is published 10 times a year and covers the interests of a wide and diverse readership. Contributions from all fields of chemistry and related areas are considered for publication in the form of Review Articles and Notes. A characteristic feature of CHIMIA are the thematic issues, each devoted to an area of great current significance.

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