| 摘要 | 第7-9页 |
| Abstract | 第9-11页 |
| Chapter 1 Introduction | 第12-26页 |
| 1.1 Introduction | 第12-14页 |
| 1.2 Introduction of analysis methods for metal ions and small biomolecules | 第14-15页 |
| 1.3 Introduction of chemically modified electrodes | 第15-18页 |
| 1.3.1 Introduction of metallic film modified electrodes | 第15-16页 |
| 1.3.2 Introduction of polymer film modified electrodes | 第16-17页 |
| 1.3.3 Introduction of graphene modified electrodes | 第17-18页 |
| Reference | 第18-26页 |
| Chapter 2 Determination of cadmium(Ⅱ) by square wave anodic strippingvoltammetry using bismuth-antimony film electrode | 第26-38页 |
| 2.1 Introduction | 第26-27页 |
| 2.2 Experimental | 第27-28页 |
| 2.2.1 Materials | 第27页 |
| 2.2.2 Apparatus | 第27页 |
| 2.2.3 Measurement procedure | 第27-28页 |
| 2.3 Results and discussion | 第28-34页 |
| 2.3.1 SWASV response of Cd(Ⅱ) at the Bi-Sb film electrode | 第28-29页 |
| 2.3.2 Effect of concentration proportion between Sb(Ⅲ) and Bi(Ⅲ) | 第29-30页 |
| 2.3.3 Effect of pH | 第30-31页 |
| 2.3.4. Effect of deposition potential and deposition time | 第31页 |
| 2.3.5 Calibration data | 第31-32页 |
| 2.3.6 Interference study | 第32页 |
| 2.3.7 Analytical application to tap water sample | 第32-34页 |
| 2.4 Conclusions | 第34-35页 |
| References | 第35-38页 |
| Chapter 3 An antimony/poly(p-aminobenzene sulfonic acid) film electrodefor measurement of Pb(Ⅱ) using square wave anodic strippingvoltammetry | 第38-56页 |
| 3.1 Introduction | 第38-39页 |
| 3.2 Experimental | 第39-40页 |
| 3.2.1 Materials | 第39页 |
| 3.2.2 Apparatus | 第39页 |
| 3.2.3 Measurement procedure | 第39-40页 |
| 3.3 Results and discussion | 第40-52页 |
| 3.3.1 Electropolymerization of p-ABSA at the GCE surface | 第40-41页 |
| 3.3.2 SWASV response of Pb(Ⅱ) at the Sb/poly(p-ABSA)FE | 第41-42页 |
| 3.3.3 Selection of the appropriate conditions for preparation of the poly(p-ABSA)FE | 第42-44页 |
| 3.3.4 Effect of Sb(Ⅲ) concentration | 第44-45页 |
| 3.3.5 Effect of the pH value | 第45-46页 |
| 3.3.6 Selection of the stripping mode and parameters | 第46-48页 |
| 3.3.7 Effect of preconcentration potential and time | 第48-49页 |
| 3.3.8 SWASV of Pb(Ⅱ) detected on the Sb/poly(p-ABSA) film electrode | 第49-50页 |
| 3.3.9 Interference study | 第50-51页 |
| 3.3.10 Analytical application to tap water sample | 第51-52页 |
| 3.4 Conclusions | 第52-53页 |
| References | 第53-56页 |
| Chapter 4 Anodic stripping voltammetric measurement of lead andcadmium with in situ bismuth-modified graphene oxide doped carbonpaste electrode | 第56-72页 |
| 4.1 Introduction | 第56-57页 |
| 4.2 Experimental | 第57-58页 |
| 4.2.1 Materials | 第57页 |
| 4.2.2 Apparatus | 第57-58页 |
| 4.2.3 Measurement procedure | 第58页 |
| 4.3 Results and discussion | 第58-67页 |
| 4.3.1 SWASV response of Pb(Ⅱ) and Cd(Ⅱ) at the Bi/GO/CPE | 第58-59页 |
| 4.3.2 Effect of the amount of GO | 第59-60页 |
| 4.3.3 Effect of the concentratin of Bi(Ⅲ) | 第60-61页 |
| 4.3.4 Effect of the pH value of the measure solution | 第61页 |
| 4.3.5 Effect of the deposition potentials and deposition time | 第61-63页 |
| 4.3.6 Effect of the parameters of the stripping waveform | 第63-64页 |
| 4.3.7 Simultaneous determination of Pb(Ⅱ) and Cd(Ⅱ) | 第64页 |
| 4.3.8 Interference study | 第64-66页 |
| 4.3.9 Analytical application to tap water sample | 第66-67页 |
| 4.4 Conclusions | 第67-68页 |
| References | 第68-72页 |
| Chapter 5 Determination of uric acid by differential pulse voltammetryusing glassy carbon electrode modified with graphene | 第72-84页 |
| 5.1 Introduction | 第72页 |
| 5.2 Experimental | 第72-73页 |
| 5.2.1 Materials and reagents | 第72-73页 |
| 5.2.2 Apparatus | 第73页 |
| 5.2.3 Fabrication of the Modified Electrode | 第73页 |
| 5.3 Results and Discussion | 第73-80页 |
| 5.3.1 Characteristics of graphene-decorated GCE | 第73-75页 |
| 5.3.2 Electrochemical Characteristics of graphene-decorated GCE | 第75-77页 |
| 5.3.3 Influence of scan rate and solution pH | 第77-78页 |
| 5.3.4 Analytical characterisations of UA detection at the Gr-GCE | 第78-79页 |
| 5.3.5 Interference study | 第79页 |
| 5.3.6 Reproducibility and stability | 第79页 |
| 5.3.7 Analytical application of the modified electrode in the determination of UA in the real sample | 第79-80页 |
| 5.4 Conclusions | 第80-81页 |
| References | 第81-84页 |
| 致谢 | 第84-86页 |
| 附录 | 第86页 |
