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An Electrochemical Hydroquinone Sensor with Nitrogen-Doped Graphene Modified Electrode

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Figure

Figure 1. TEM image of NG.
Figure 3.  (A) Cyclic voltammetric curves of 5.0×10-4 mol L-1 HQ on NG/CILE with different pH PBS (from a to h: 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0); (B) The relationship between E0' and pH; (C) The relationship between Ipa and pH
Figure 4.  (A) Cyclic voltammetric curves of 5.0×10-4 mol L-1 HQ on NG/CILE in pH 2.0 PBS while changing scan rate (υ) as 20, 50, 70, 100, 120, 150, 170, 200, 250, 300, 350, 400, 450 and 500 m V-1 (from a to n); (B) Linear relationships of Ipa and Ipc vers
Figure 5. (A) Chronocoulometric curves of NG/CILE in (a) pH 2.0 PBS and (b) pH 2.0 PBS with 5.0×10-4 mol L-1 HQ; (B) Linear relationship of Q against t1/2
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