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Preconcentration of Hg(II) and Total Hg in Waters for Flame AAS in a Flow-through Electrochemical Cell

A. Manová, E. Beinrohr, and Ľ. Jurica

Department of Analytical Chemistry, Faculty of Chemical and Food Technology, Slovak University of Technology; SK-812 37 Bratislava

 

E-mail: manova@chtf.stuba.sk

Received: 16 November 2002

Abstract: Mercury in water samples is determined by flame atomic absorption spectrometry after the preconcentration of Hg(II) on 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 to determine Hg in the concentration range of 0.01-30 mg dm-3.

Full paper in Portable Document Format: 573a197.pdf

 

Chemical Papers 57 (3) 197–200 (2003)

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