Characterization and utilization of a long-lasting sessile-drop mercury electrode in differential pulse anodic-stripping voltammetric subtrace metal analysis of natural waters.
Construction details and voltammetric characterization of a long-lasting sessile-drop mercury electrode are reported. The results obtained in the fully automated differential pulse anodicstripping voltammetric determination of cadmium in a simple purified electrolyte as well as of zinc, cadmium and lead in sea-water samples suggest that this new kind of semi-stationary mercury electrode may be employed in voltammetric trace and ultratrace analysis of natural waters for metal ions.
Andruzzi
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Istituto di Chimica, Facoltà di Ingegneria, Università degli Studi di Roma and Centro di Elettrochimica e Chimica-Fisica delle Interfasi, C.N.R., Via del Castro Laurenziano, 7-00161 Roma, Italia.
Trazza
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A
Marrosu
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