| The thesis reviews the basic theories of adsorption wave, introduces the characterisitics, classification and formation conditions of the complex adsorption wave. Its applications in various fields of analytical chemistry were described .On the basis of that, the electrochemical behavior and applications of the complex of Lead(â…¡),Indium(â…¢) metal ions with dibrom-o-benzenediamine-diacetamide ester(dbac) and N-o-carboxypheny-N'-(2-aminoethyl) acetamide(opac) have been studied systematically. The thesis consists of the following four parts:1. Study on the electrochemical behavior of acetamideThe electrochemical behavior of dibrom-o-benzenediamine-diacetamide ester(dbac) and N-o-carboxypheny-N'-(2-aminoethyl) acetamide(opac) on the mercury electrode have been studied by many electrochemical experiments such as oscillopolarography, cyclic voltammetry, etc. The adsorption modes of dbac and opac were found by determination of adsorption amount. The mechanism of the electrode process and the effects of displacement group on the ability of adsorption and the electroactivity were discussed. The experimental results shows that the adsorption reduce wave of dbac and opac produced in suitable supporting electrolyte. The effect of pH on the polarographic behavior of the agent was large. The interfacial electrochemical reduction of the agent was an irreversible process with two electron. Two agents have strong adsorption on the mercury electrode, the adsorption modes correspond to Frumkin adsorption isotherm.2. Study on the electrochemical behavior of the complex of Pb(II), In(III) metal ions with dbacIn this chapter, the electrochemical behavior of the complex of Pb(â…¡), In(â…¢) metal ions with dbac has been investigated. The following Pb(â…¡)-dbac system and In(â…¢)-dbac system were determined:On the base, he following theoretical has been studied:(1). The formation and influence factors of complex adsorption wave have been investigated. The results demonstrated that the supporting electrolyte is important to formingcomplex adsorption wave, and its selection should obey certainly principles.The effects of composition and concentration of supporting electrolyte, pH, the concentration of complexant and apparatus conditions, etc, on the peak current are great.(2). The mechanism of electrode reaction was discussed through studying the stability,adsorption and electroactivity of complex in systems mentioned above. The effects of metal ions and complexants on the complex adsorption wave were compared and discussed. Results demonstrated that the electrode process of complex corresponded with CAEM process of complex adsorption wave.(3). The liner range and the limit of detection. The optimized analytical conditions were selected and oscillopolarography of the determination of Pb(â…¡), In(â…¢) have been found. Thelinear range was 10-6 ~10-8 mol/L. The limit of detection was general 10-8 mol/L.3. Study on the electrochemical behavior of the complex of In(â…¢) metal ions with opacThe formation and influence factors of complex adsorption wave have been investigated. The mechanism of electrode reaction was discussed through studying the stability, adsorption and electroactivity of complex based on numerous experiments the optimized condition and oscillopolarography of determination of In(III) have been found. In general,the limit ofdetection and the linear range were 5.0 10-8 mol/L and 10-5~10-7 mol/L respectively.4. Analytical applicationsThis part focuses on the current sitiuation of the electrochemical analysis to determination Lead(â…¡), Indium(â…¢), and mainly on the development of reseach on the complex adsorption wave to determination Lead(â…¡), Indium(â…¢). In addition, the new method of determinating Lead(â…¡), Indium(â…¢) introduces, for the first time, acetamide to the field of the complex adsorption wave. In this field, we can determinate Lead(â…¡), Indium(â…¢) at same time. These methods have been applied to the determination of Lead(â…¡), Indium(â…¢) in pottery color ,mineral and hu...
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