A novel in-situ prepared copper film electrode (CuFE) for anodic stripping voltammetric measurement of trace
levels of Hg(II) and Pb(II) is presented. The optimal electroanalytical performance of the CuFE was achieved in
electrolyte solution comprising 0.1MHCl and 0.4MNaCl. The CuFE exhibited excellent operation in the presence
of dissolved oxygen with calculated LoD of 0.1 μg L−1 Hg(II) and 0.06 μg L−1 Pb(II) in combination with 300 s
accumulation time, repeatability with RSD of 4.5% for Hg(II) and 0.9% for Pb(II) (n= 12), and favourable linear
response in the examined concentration range of 10–100 μg L−1 (R2 = 0.997) for Hg and 5–70 μg L−1 (R2 =
0.999) for Pb after 120 s accumulation. The electrode enabled also simultaneous detection of both investigated
metal ions and revealed promising electroanalytical characteristics similar to or in certain cases surpassing those of
commonly used gold electrodes