FIELD: investigating or analyzing materials.
SUBSTANCE: method comprises interrupting current that flows between the working and auxiliary electrodes of the electrochemical cell mounted in the fluid to be analyzed and measuring current potential of the working electrode with respect to the reference electrode at a given moment of time. The reference electrode is made of auxiliary electrode whose rate of discharge of the double electric layer differs from that of the working electrode. The measurements of the current potential is carried out after a lapse of time no less that the double time interval of the relaxation process after the current interruption, but less than the time period of the discharge of the double electric layer of the working and auxiliary electrodes.
EFFECT: expanded functional capabilities.
1 dwg
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