Table 3 Useful signal and detection potential for DCF determination.

From: NiCo2O4 nanoparticles for enhancing voltammetric determination of sodium diclofenac in aqueous solutions

Electrode

Edet/V vs. SCE

ΔI (µA µM−1 cm−2)

Signal type

NiCo2O4/GC

+ 0.480

84.3

Anodic

+ 0.250

43.1

Cathodic

GC

− 0.150

0.159

Anodic

0.035

0.059

Anodic

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