Abstract
A polymer dispersed-mercury modified electrode, which was prepared by coating polypyrrole on a thin mercury film electrode using fast-sweep voltammetry, has been developed. The electrode was tested and compared with a conventional thin-film mercury electrode in a stationary cell. The new polymeric electrodes were also employed in a flow-through electrochemical cell using reversed-pulse amperometric detection. The selectivity of the polymeric electrode was modified by incorporating different counter ions during the polymerization process.
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