Aided by the construction of a custom potentiostat, a series of different PAD waveforms were compared to find the optimum detector for penicillin oxidation. The waveforms included standard 3-step direct and indirect PAD in addition to reverse-PAD and 4-step PAD. Two new waveforms, the indirect reverse-PAD and the 4-step indirect PAD were examined in the study. Under the solvent conditions of the...
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