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This paper reports on the use of multiple square wave voltammetry, MSWV, for the determination of europium(III) preconcentrated by ion-exchange at glassy carbon electrodes coated with Nafion ( R). For this aim, a double-differential (DD) mode of MSWV is implemented; with this mode, background signals are always straight lines while the analyte signal is given as a twin opposite peak system...
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