Wall-Jet electrode system for anodic stripping voltammetry

Wall-Jet electrode system for anodic stripping voltammetry

A construction of an electroanalytical cell with a wall‐jet electrode (WJE) system consisting of a built‐in centrifugal pump and a thin mercury film‐covered glassy carbon stationary disk working electrode and its application to the differential pulse anodic stripping voltammetric measurements of tra...

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Veröffentlicht in:Electroanalysis (New York, N.Y.) N.Y.), 1994-11, Vol.6 (11-12), p.1029-1033
Hauptverfasser: Omanović, D., Peharec, Ž, Magjer, T., Lovrić, M., Branica, M.
Format: Artikel
Sprache:eng
Schlagworte:
Differential pulse anodic stripping voltammetry
Rotating disk electrode
Thin-film mercury glassy carbon electrode
Trace metals
Wall-jet electrode system
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container_end_page 1033
container_issue 11-12
container_start_page 1029
container_title Electroanalysis (New York, N.Y.)
container_volume 6
creator Omanović, D.
Peharec, Ž
Magjer, T.
Lovrić, M.
Branica, M.
description A construction of an electroanalytical cell with a wall‐jet electrode (WJE) system consisting of a built‐in centrifugal pump and a thin mercury film‐covered glassy carbon stationary disk working electrode and its application to the differential pulse anodic stripping voltammetric measurements of traces of cadmium and lead are described. Characteristics of the new hydrodynamic electrode system are compared with the properties of the rotating disk electrode (RDE). The new described system yields rather high flow rates (2 to 12 mL/s) exhibiting about a twofold higher accumulation rate than the RDE. It allows shorter deposition time, faster analysis, and lower determination limits of trace metals in water samples. Experimental determination limit for lead ions of 8 × 10−12 M, after accumulation of 7.5 minutes with turbine rotating of 2500 rpm, was obtained.
doi_str_mv 10.1002/elan.1140061119
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Characteristics of the new hydrodynamic electrode system are compared with the properties of the rotating disk electrode (RDE). The new described system yields rather high flow rates (2 to 12 mL/s) exhibiting about a twofold higher accumulation rate than the RDE. It allows shorter deposition time, faster analysis, and lower determination limits of trace metals in water samples. 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subjects Differential pulse anodic stripping voltammetry
Rotating disk electrode
Thin-film mercury glassy carbon electrode
Trace metals
Wall-jet electrode system
title Wall-Jet electrode system for anodic stripping voltammetry
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