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Measured Cd(II): (a) Plots are SWASV measurements of Cd(II) in acetate buffer (pH 4.65) with 0.1 M KCl (pH = 4.65), and (b) calibration curve. Conditions of SWASV for Cd(II) at Bi chip sensor are as follows; −1.2V deposition potential (Edep); 90 sec deposition time; 5mV voltage step (Estep); 25 mV amplitude (Esw); 100 Hz frequency (f); and −1.2 V to −0.5 V scan range.
