1. Square-wave anodic stripping voltammetry with a mercury-plated reticulated vitreous carbon electrode
- Author
-
Roberto Marassi, Mario Berrettoni, and Silvia Zamponi
- Subjects
Cadmium ,Physics::Instrumentation and Detectors ,Analytical chemistry ,chemistry.chemical_element ,Square wave ,Square wave anodic stripping voltammetry ,Biochemistry ,Analytical Chemistry ,Mercury (element) ,Anodic stripping voltammetry ,chemistry ,Electrode ,Environmental Chemistry ,Spectroscopy - Abstract
A rotating mercury-plated reticulated vitreous carbon (RVC) electrode is tested for square-wave anodic stripping voltammetry; RVC provides very large surface areas which are easily plated with mercury. Despite the ill-defined geometry of the electrode, the square-wave stripping peaks are very well defined; their behaviour conforms partly to known theory for square-wave stripping from mercury film electrodes. Fast analytical determinations of lead and cadmium in the μg l−1 range are facilitated by the high efficiency of the preconcentration step and the high sensitivity given by the stripping waveform.
- Published
- 1989
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