PROBLEM TO BE SOLVED: To provide an electrochemical infrared spectroscope enabling the observation on the spot of the surface of an electrode by an infrared spectroscopic method simultaneously with the electrochemical measurement of the electrode, and to provide an electrochemical infrared spectroscopic measuring method.;SOLUTION: The electrochemical infrared spectroscope is equipped with an infrared polarization means including an acting electrode having the electrode surface coming into contact with an electrolyte, a reference electrode, a counter electrode and a rotary polarizer for rotating the polarizing surface of infrared rays from an infrared ray source and/or a photoelastic modulator, a window material having the base opposed to the surface of the acting electrode through the electrode and permitting the incidence of infrared rays and an optical system which throws infrared rays on the interface of the acting electrode and the electrolyte and collecting the reflected light from the interface emitted from the window material and an infrared spectroscope for obtaining the spectrum of the reflected light. Infrared rays are thrown on the interface between the surface of the acting electrode and the electrolyte simultaneously with the electrochemical measurement of the acting electrode to measure the high-sensitivity infrared reflected spectrum of the surface of the acting electrode.;COPYRIGHT: (C)2008,JPO&INPIT
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