Journal of Nanomaterials / 2020 / Article / Fig 5

Research Article

Simultaneous Voltammetric Determination of Uric Acid, Xanthine, and Hypoxanthine Using CoFe2O4/Reduced Graphene Oxide-Modified Electrode

Figure 5

XPS spectrum of CoFe2O4/rGO: (a) survey spectrum; (b) XPS spectrum Co2p; (c) XPS spectrum Fe2p; (d) XPS spectrum O1s; (e) XPS spectrum C1s.
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(b)
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