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Fig. 3 | Journal of Analytical Science and Technology

Fig. 3

From: Multiwalled carbon nanotubes decorated with bismuth (III) oxide for electrochemical detection of an antipyretic and analgesic drug paracetamol in biological samples

Fig. 3

A CVs of 10 mM K3[Fe (CN)6] at the bare GCE (curve a), Bi2O3/GCE (curve b), MWCNT/GCE (curve c), and Bi2O3/MWCNT/GCE (curve d). B Nyquist plots (− Z″ vs. Z′) obtained from impedance measurements in the presence of 10 mM [Fe (CN)6]3−/4− (1:1) and 0.1 M KCl solution for bare GCE (curve a), Bi2O3/GCE (curve b), MWCNT/GCE (curve c), and Bi2O3/MWCNT/GCE (curve d). C Bode (phase angle versus log f) plots

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