Utility of Activated Glassy Carbon and Pencil Graphite Electrodes for Voltammetric Determination of Nalbuphine Hydrochloride in Pharmaceutical and Biological Fluids

Figure 4

(a) The effect of scan rates (mV s⁻¹) on the peak current (µA) of NP⋅HCl drug at PGE electrode at pH = 6. (b) The effect of scan rate (mV s⁻¹) on the peak current (µA) of NP⋅HCl drug at GCE electrode at pH = 7.

(a)

(b)