FIELD: measurement technology. SUBSTANCE: method of voltammetry includes supply of polarizing voltage to electrochemical cell and measurement of current through it. Prior to every moment of measurement standard resistor is connected to current-to-voltage converter of electrochemical cell. Conversion of electrochemical cell current to voltage is performed on the above-indicated resistor with maximum resistance at which converter amplifier is not overloaded, and signal from current-to-voltage converter output is applied to scaling converter input. Transmission factor of scaling converter is set inversely with resistance of connected standard resistor. This done, signal at scaling converter output is measured. EFFECT: higher measurement results. 3 cl, 3 dwg , 1 tbl
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Authors
Dates
1997-11-20—Published
1996-07-01—Filed