文摘
英文文摘
独创性声明及学位论文版权使用授权书
Chapter 1 Study actuality of bismuth film electrodes
1 Design of bismuth film electrodes
1.1 Substrates of bismuth film electrodes
1.2 Preparation and cleaning of BFEs
1.3 Morphology of BFEs
2 Stripping performance of bismuth film electrodes
3 Application of bismuth film electrodes
References
Chapter 2 Anodic stripping voltammetry determination of pb(II) and cd(II) on a bismuth/poly(aniline) film electrode
1 Introduction
2 Experimental
2.1 Apparatus
2.2 Reagents
2.3 Procedure
3 Results and discussion
3.1 Stripping voltammetric response at the bismuth/poly(aniline) film electrode
3.2 Scan rate of poly(aniline)
3.3 Effect of concentration of aniline
3.4 Effect of the bismuth concentration
3.5 Effect of pH
3.6 Effect of the deposition potential and deposition time
3.7 Calibration curves
3.8 Interference study
3.9 Analytical application
References
Chapter 3 Study on the bismuth film electrode used for differential pulse anodic stripping voltammetric determination of Tin
1 Introduction
2 Experimental
2.1 Apparatus
2.2 Reagents
2.3 Procedure for DPASV analysis
3 Results and discussion
3.1 Differential pulse voltammetric response of Sn(Ⅱ) at the bismuth film electrode.
3.2 Optimum conditions for the electrochemical deposition of bismuth film on the glassy carbon electrode
3.3 Calibration curves
3.4 Interference study
References
Chapter 4 Simultaneous determination of chromium(Ⅲ) and cadmium(Ⅱ) by differential pulse anodic stripping voltammetry on a stannum film electrode
1 Introduction
2 Experimental
2.1 Apparatus
2.2 Reagents
2.3 Procedure for DPASV analysis
3 Results and discussion
3.1 Differential pulse voltammetric response of Cr ( Ⅲ) and Cd(Ⅱ) at the stannum film electrode
3.2 Composition of the supporting electrolyte
3.3 Effect of pH
3.4 Effect of the stannum concentration
3.5 Effects of the deposition potential and deposition time
3.6 Calibration curves
3.7 Interference study
3.8 Application to tap water
References
Chapter 5 Stannum film electrode for differential pulse anodic stripping voltammetric determination of zinc
1 Introduction
2 Experimental
2.1 Apparatus
2.2 Reagents
2.3 Procedure for DPASV analysis
3 Results and discussion
3.1 Electrochemical responses of Zn(Ⅱ) at the bismuth film electrode and stannum film electrode
3.2 Effect of pH and volume of buffer
3.3 Effect of the stannum concentration
3.4 Effect of the deposition potential and deposition time
3.5 Calibration curves
4 Mechanism discussion
References
Chapter 6 A stannum/bismuth film electrode for simultaneous determination of zinc and cadmium using differential pulse anodic stripping voltammetry
1. Introduction
2. Experimental
2.1 Apparatus
2.2 Reagents
2.3 Procedure for DPASV analysis
3 Results and discussion
3.1 Differential pulse voltammetric response of Zn(Ⅱ) and Cd(Ⅱ) at the stannum/bismuth film electrode
3.2 Effect of pH
3.3 Proper proportion between Sn(Ⅱ) and Bi(Ⅲ)
3.4 Effect of the stannum concentration
3.5 Effects of the deposition potential and deposition time
3.6 Calibration curves
3.7 Interference study
3.8 Application to tap water
References
Conclusions
致 谢
Appendix