ORIGINAL RESEARCH
Preconcentration of Hg in Waters for ET AAS
in a Flow-Through Electrochemical Cell
Alena Manová1, František Čacho1, Ernest Beinrohr1, Miroslav Rusko2,
Vojtech Kollár3, Jana Kotovicová4, Magdalena Vaverková4
1Faculty of Chemical and Food Technology, Institute of Analytical Chemistry, Slovak University of Technology,
Radlinského 9, 812 37 Bratislava, Slovak Republic
2Faculty of Materials Science and Technology in Trnava, Slovak University of Technology,
Botanická 49, 917 24 Trnava, Slovak Republic
3University of Central Europe in Skalica, Kráľovská 386/11, 909 01 Skalica, Slovak Republic
4Department of Applied and Landscape Ecology, Faculty of Agronomy, Mendel University in Brno,
Zemědělská 1, CZ-613 00 Brno, Czech Republic
Radlinského 9, 812 37 Bratislava, Slovak Republic
2Faculty of Materials Science and Technology in Trnava, Slovak University of Technology,
Botanická 49, 917 24 Trnava, Slovak Republic
3University of Central Europe in Skalica, Kráľovská 386/11, 909 01 Skalica, Slovak Republic
4Department of Applied and Landscape Ecology, Faculty of Agronomy, Mendel University in Brno,
Zemědělská 1, CZ-613 00 Brno, Czech Republic
Pol. J. Environ. Stud. 2012;21(5):1313–1318
KEYWORDS
ABSTRACT
Mercury in water samples was determined by graphite furnace atomic absorption spectrometry after the
preconcentration of Hg(II) on a gold working electrode in a flow system coupled on-line to the AAS instrument.
The porous electrode is made of glassy carbon particles coated with gold. Tap, river, and wastewater
samples were analyzed using this method. The method enables us to determine Hg in the concentration range
of 0.05 to 60 μg·dm-3.
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