Determination of Mercury by Chronopotentiometric Stripping Analysis Using Glassy Carbon Vessel as a Working Electrode

Determination of Mercury by Chronopotentiometric Stripping Analysis Using Glassy Carbon Vessel as a Working Electrode

In this work chronopotentiometric stripping analysis of mercury was performed using a process vessel of glassy carbon as a working electrode. Experimental parameters for both steady and rotating vessel were investigated and compared. Relative sensitivity as well as the sharpness of the analytical si...

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Veröffentlicht in:Electroanalysis (New York, N.Y.) N.Y.), 2006-03, Vol.18 (5), p.513-516
Hauptverfasser: Švarc-Gajić, Jaroslava, Suturović, Zvonimir, Marjanović, Nikola, Kravić, Snežana
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Chronopotentiometric stripping analysis
Glassy carbon vessel working electrode
Mercury
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container_title Electroanalysis (New York, N.Y.)
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creator Švarc-Gajić, Jaroslava
Suturović, Zvonimir
Marjanović, Nikola
Kravić, Snežana
description In this work chronopotentiometric stripping analysis of mercury was performed using a process vessel of glassy carbon as a working electrode. Experimental parameters for both steady and rotating vessel were investigated and compared. Relative sensitivity as well as the sharpness of the analytical signal was better when the rotation of the process vessel was performed. The new design provided better sensitivity when compared to both stationary and rotating glassy carbon disk electrodes. Detection limit obtained for the electrolysis time of 600 s was 0.1 ng/L of Hg(II). The accuracy of the technique was confirmed by analyzing the standard reference material – tomato leaves.
doi_str_mv 10.1002/elan.200503410
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subjects Chronopotentiometric stripping analysis
Glassy carbon vessel working electrode
Mercury
title Determination of Mercury by Chronopotentiometric Stripping Analysis Using Glassy Carbon Vessel as a Working Electrode
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