FIELD: electrochemical methods of analysis, design of enzyme transmitters etermining various substrata, specifically, glucose. SUBSTANCE: invention refers to usage of enzymes of oxide class which product of enzyme reaction is hydrogen peroxide. Electrochemical unit of amperometric biotransmitter has indicating platinum and chlorinated silver electrodes. Platinum electrode is fabricated in the form disc produced from platinum-containing paste. Auxiliary electrode is made from silver-containing paste in the form of semi-ring surrounding disc. Ratio of areas of electrodes in this case amounts to 1:3. EFFECT: improved functional reliability and accuracy. 1 dwg
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