Polychlorinated biphenyls (PCBs) in water: method development and application to river samples from a populated tropical urban area

A method for the determination of polychlorinated biphenyls (PCBs) in water from urban rivers was implemented and validated. Extractions of dissolved and particulate PCBs were performed using solid-phase extraction and a pressurized solvent extraction system, respectively, and the analytes were iden...

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Bibliographic Details
Published in:Analytical and bioanalytical chemistry 2020-04, Vol.412 (11), p.2477-2486
Main Authors: Stoll, Gabriela Costa, da Silva Carreira, Renato, Massone, Carlos German
Format: Article
Language:English
Subjects:
Analytical Chemistry
Biochemistry
Characterization and Evaluation of Materials
Chemistry
Chemistry and Materials Science
Chromatography
Detection limits
Eutrophic environments
Eutrophic rivers
Eutrophication
Food Science
Gas chromatography
Ions
Laboratory Medicine
Mass spectrometry
Mass spectroscopy
Methods
Monitoring/Environmental Analysis
PCB
Polychlorinated biphenyls
Purification
Quality standards
Research Paper
Rivers
Solid phases
Solvent extraction
Urban areas
Water
Water analysis
Water quality
Water quality standards
Water sampling
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Summary:A method for the determination of polychlorinated biphenyls (PCBs) in water from urban rivers was implemented and validated. Extractions of dissolved and particulate PCBs were performed using solid-phase extraction and a pressurized solvent extraction system, respectively, and the analytes were identified and quantified by gas chromatography with tandem mass spectrometry in selected reaction monitoring mode with no further purification. The method was successfully developed for the determination of 41 PCBs with two precursor-product confirmations for each analyte. Low method detection limits (0.06–0.50 ng L −1 ) and good precision (≤ 20%; n  = 8) were obtained, as well a linear response of the calibration curve ranging from 1.0 to 50 ng L −1 . Method performance for real samples was tested with water collected weekly in triplicate during April 2018 from a eutrophic river in the city of Rio de Janeiro. The total (dissolved + particulate) PCB concentrations ranged from 2.17 to 5.29 ng L −1 , above the threshold for river water quality standards in Brazil. Graphical abstract
ISSN:1618-2642
1618-2650
DOI:10.1007/s00216-020-02468-0