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Monitoring of water and sediment contamination

By Eva Grajciariková

Abstract

The diploma thesis is focused on the issue of the presence of POPs in the surface water and sediments. Monitored compounds were chosen from the group of polychlorinated biphenyls (PCBs) and polybrominated diphenyl ethers (PBDE). Samples were collected in selected localities in the Slovak and the Czech Republic. Selected analytes were extracted with hexane from the aqueous matrix. Analytes were isolated by the ultrasonic extraction using a solvent mixture of hexane-dichlormethane from the solid matrix and the resulting extract was cleaned up by the column chromatography filled with the florisil and the silica gel. Target compounds were analysed by GC/ECD finally. Obtained results show the level of contamination in selected localities in the Slovak and the Czech Republic

Topics: sediments; PCBs; PBDEs; techniques of extraction; gas chromatography with electron capture detector; Surface water
Publisher: Vysoké učení technické v Brně. Fakulta chemická
Year: 2011
OAI identifier: oai:invenio.nusl.cz:216732
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