Gold nanoparticles (AuNPs) were deposited on a glassy carbon(GC) substrate by constant potential
electrolysis and characterized by cyclic voltammetry in H2SO4 and field emission gun scanning electron
microscopy(FEG-SEM).
Themodified AuNPs–GC electrode was used for low Hg(II) concentration
detection using a Square Wave Anodic Stripping Voltammetry (SWASV) procedure which included a
chloride desorption step.