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Nontarget analysis of polar contaminants in freshwater sediments influenced by pharmaceutical industry using ultra-high-pressure liquid chromatographyequadrupole time-of-flight mass spectrometry (CROSBI ID 173969)

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Terzić, Senka ; Ahel, Marijan Nontarget analysis of polar contaminants in freshwater sediments influenced by pharmaceutical industry using ultra-high-pressure liquid chromatographyequadrupole time-of-flight mass spectrometry // Environmental pollution, 159 (2011), 2; 557-566. doi: 10.1016/j.envpol.2010.10.009

Podaci o odgovornosti

Terzić, Senka ; Ahel, Marijan

engleski

Nontarget analysis of polar contaminants in freshwater sediments influenced by pharmaceutical industry using ultra-high-pressure liquid chromatographyequadrupole time-of-flight mass spectrometry

A comprehensive analytical procedure for a reliable identification of nontarget polar contaminants in aquatic sediments was developed, based on the application of ultra-high-pressure liquid chromatography (UHPLC) coupled to hybrid quadrupole time-of-flight mass spectrometry (QTOFMS). The procedure was applied for the analysis of freshwater sediment that was highly impacted by wastewater discharges from the pharmaceutical industry. A number of different contaminants were successfully identified owing to the high mass accuracy of the QTOFMS system, used in combination with high chromatographic resolution of UHPLC. The major compounds, identified in investigated sediment, included a series of polypropylene glycols (n ¼ 3e16), alkylbenzene sulfonate and benzalkonium surfactants as well as a number of various pharmaceuticals (chlorthalidone, warfarin, terbinafine, torsemide, zolpidem and macrolide antibiotics). The particular advantage of the applied technique is its capability to detect less known pharmaceutical intermediates and/or transformation products, which have not been previously reported in freshwater sediments.

high-resolution mass spectrometry; ultra-high-pressure liquid chromatography; polar contaminants; sediments; nontarget contaminants

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Podaci o izdanju

159 (2)

2011.

557-566

objavljeno

0269-7491

10.1016/j.envpol.2010.10.009

Povezanost rada

Geologija

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