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À propos de : Voltammetric Measurement in Supercritical CO2Utilizing a Water-in-CO2 Microemulsion        

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  • Voltammetric Measurement in Supercritical CO2Utilizing a Water-in-CO2 Microemulsion
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  • A novel method for voltammetric measurement in supercritical CO2 is described. In this method a water-in-supercritical CO2 microemulsion is utilized to raise theconductivity of the fluid phase. Well-defined voltammograms for the redox reactions of ferrocene and tetramethyl-p-phenylenediamine were obtained in supercriticalCO2 in the presence of the microemulsion. The electrolysis product is stabilized in the water core of the microemulsion. This implies a wide range of electrochemicalsynthesis involving ionic or radical species in supercriticalCO2 may be possible utilizing the microemulsion. Theelectrochemical results obtained from the water-in-supercritical CO2 microemulsion system are different from thatobtained from a supercritical CO2−ethanol mixture system.
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