A method of interrupting the current through a soil corrosion cell and of measuring the potentials of the polarized electrodes during the period of interruption is described. An electronic circuit is used to interrupt the current and the potential across the cell at interruption is balanced against a known potential, an oscilloscope being used as a null indicator.

Subject
Cathodes, Electric current, Circuits, Electrochemical cells, Voltage, Circuit potentials, Tubes, Corrosion cells, Couplings, Resistors, Potentiometers, Soil, Electrode potential
Copyright 1955 by the National Association of Corrosion Engineers.
1955
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