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Ionic Liquid-Polymer Film Modified Electrode and Its Application in Ion Chromatography

Author: RenDanDan
Tutor: ZhuYanï¼›XiLingLing
School: Zhejiang University
Course: Chemistry
Keywords: Ionic liquids Polyaniline Modified electrode Ion Chromatography
CLC: O657.1
Type: Master's thesis
Year: 2011
Downloads: 48
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Abstract


This paper systematically studied the preparation and application of ionic liquids doped new modified electrode . A conventional laboratory synthesis of room temperature ionic liquids as a medium , an ionic liquid - Polyaniline Modified Electrode and nature . On this basis , production of nano- copper modified electrode , and discuss its catalytic activity . Modified electrode applied to a flow system to achieve ion chromatography with electrochemical detection . Model with ascorbic acid as the analyte , to optimize ion chromatography analysis of the experimental conditions , and the evaluation of the electrochemical detector sensitivity, linearity, range and stability . This paper mainly studies the contents of a total of four chapters . The first chapter describes the electrochemical analysis and electrochemical modification of electrode development , characteristics of ionic liquids , also introduced the concept of ion chromatography and detection methods . Focus summed up the polymer film modified electrode preparation, properties , and applications of ionic liquids in electrochemistry . The second chapter describes the ionic liquids - polyaniline modified electrode method , and using a variety of means its characterization , and catalytic oxidation of ascorbic acid effect of the electrode . Chapter nanometer copper - polyaniline modified electrode preparation and characterization of the situation , to hydrogen peroxide , for example , the electrode for hydrogen peroxide catalytic effect . Chapter IV to the second chapter of the prepared modified electrode as a detector for ion chromatography , ion exchange chromatography , the electrochemical detection discussion optimized chromatographic conditions , determination of the ascorbic acid content of the actual samples .

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CLC: > Mathematical sciences and chemical > Chemistry > Analytical Chemistry > Instrument analysis ( physics and physical chemistry ) > Electrochemical analysis
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