Table 3: Composition of the voltammetric sensors included in the array.

Sensor% graphiteModifier (%)% epoxy

GEC5050
PC48Cobalt phthalocyanine (2)50
Pt48Platinum nanoparticles (2)50
Cu48Copper nanoparticles (2)50
PPY48Polypyrrole (2)50
PANI48Polyaniline (emeraldine salt) (2)50