Determination of pharmaceuticals and pesticides in river sediments and corresponding surface and ground water in the Danube River and tributaries in Serbia

The aim of this study was the development of analytical methods for the simultaneous determination of 25 selected pharmaceuticals, metabolites, and pesticides, belonging to the various chemical classes, in river sediments and their corresponding surface and ground water with the purpose of monitorin...

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Bibliographic Details
Published in:Environmental monitoring and assessment 2015-01, Vol.187 (1), p.4092-17, Article 4092
Main Authors: Radovic, Tanja, Grujic, Svetlana, Petkovic, Anelka, Dimkic, Milan, Lausevic, Mila
Format: Article
Language:English
Subjects:
Analytical chemistry
Antibiotics
Atmospheric Protection/Air Quality Control/Air Pollution
Atrazine
Chromatography, Liquid
detection limit
Dimethoate
drugs
Earth and Environmental Science
Ecology
Ecotoxicology
Environment
Environmental Management
Environmental Monitoring
Fluvial sediments
Groundwater
Groundwater - chemistry
Herbicides
Liquid chromatography
Mass Spectrometry
Metabolites
Methods
monitoring
Monitoring/Environmental Analysis
Pesticide residues
Pesticides
Pesticides - analysis
Pharmaceutical industry
Pharmaceutical Preparations - analysis
Pharmaceuticals
Pollutants
River basins
Rivers
Rivers - chemistry
Sample preparation
Scientific imaging
Sediment samplers
Sediments
Serbia
Solid Phase Extraction
Solvent extraction
Solvent extraction processes
Surface water
Surface-groundwater relations
Water analysis
Water Pollutants, Chemical - analysis
Water sampling
Water treatment
watersheds
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Summary:The aim of this study was the development of analytical methods for the simultaneous determination of 25 selected pharmaceuticals, metabolites, and pesticides, belonging to the various chemical classes, in river sediments and their corresponding surface and ground water with the purpose of monitoring the contamination levels. The methods were based on the solid-phase extraction as the sample preparation method for water samples, and the ultrasonic solvent extraction for the sediment samples, followed by the liquid chromatography–tandem mass spectrometry. High recoveries were achieved for extraction from both water and sediment samples for the majority of analytes. Low limits of detection were achieved for all investigated compounds in the water sample (1–5 ng L⁻¹) as well as in the sediment (1–3 ng g⁻¹). Applicability of the developed methods was demonstrated by determination of pharmaceutical and pesticide residues in 30 surface water, 44 groundwater, and 5 sediment samples from the Danube River Basin in Serbia. Sixty percent of target compounds were detected in environmental samples. The most frequently detected analytes in river sediments were the pesticides dimethoate and atrazine, while carbamazepine and metamizole metabolites 4-AAA and 4-FAA were the most frequently found in water samples.
ISSN:0167-6369
1573-2959
DOI:10.1007/s10661-014-4092-z