Ion-Imprinted Electrochemical Sensor Based on Copper Nanoparticles-Polyaniline Matrix for Nitrate Detection

Table 1

Coefficients of permeability and limit current of bare and modified electrodes in 5mM [Fe(CN)₆]^3-/4- containing 0.1 M KCl solution.

Membrane	(mA)	(cms^−1)
GCE/CuNPs	0.126	0.113
GCE/CuNPs/PANI	0.083	0.79.10^−4
NIP-GCE/CuNPs/PANI	0.045	10^−3
IIP-GCE/CuNPs/PANI	0.018	0.27.10^−3