Abstract:Low-cost electrochemical platform for sensitive Pb(II) and Cd(II) detection in aqueous solution were fabricated using pencil graphite leads. Cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS) were applied to electrochemical characterization of the Pencil Graphite Electrode (PGE). Average electroactive surface was determined as 2.58 times its geometrical area. Parameters for the electrochemical detection of lead and cadmium ions were optimized using Anodic Stripping Square Wave Voltammetr… Show more
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