Simultaneous Determination of Hydroquinone, Catechol and Resorcinol at Graphene Doped Carbon Ionic Liquid Electrode
Figure 5
Dependences of peak currents on concentrations . Inset: linear plots of versus . (a) DPVs of the doped CILE in the presence of 5.0 × 10−5 M CC and RS containing different concentrations of HQ (a–i: 1.0 × 10−5, 2.0 × 10−5, 3.0 × 10−5, 4.0 × 10−5, 5.0 × 10−5, 1.0 × 10−4, 2.0 × 10−4, 3.0 × 10−4, 4.0 × 10−4 M), (b) DPVs of the doped CILE in the presence of 5.0 × 10−5 M HQ and RS containing different concentrations of CC (a–h: 1.0 × 10−5, 2.0 × 10−5, 3.0 × 10−5, 4.0 × 10−5, 5.0 × 10−5, 1.0 × 10−4, 2.0 × 10−4, 3.0 × 10−4 M), (c) DPVs of the doped CILE in the presence of 5.0 × 10−5 M HQ and CC containing different concentrations of RS (a–i: 1.0 × 10−6, 5.0 × 10−6, 1.0 × 10−5, 2.0 × 10−5, 3.0 × 10−5, 4.0 × 10−5, 5.0 × 10−5, 1.0 × 10−4, 1.7 × 10−4 M).