Research Article
ZIF-67/g-C3N4-Modified Electrode for Simultaneous Voltammetric Determination of Uric Acid and Acetaminophen with Cetyltrimethylammonium Bromide as Discriminating Agent
Figure 4
XPS spectra of ZIF-67/g-C3N4: (a) survey spectrum; (b) N1s XPS spectrum; (c) C1s XPS spectrum; (d) Co2p XPS spectrum.
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