Four-Electrode Method for Measuring the Direct-Current Resistivity of Ice

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Science  26 Oct 1962:
Vol. 138, Issue 3539, pp. 520-521
DOI: 10.1126/science.138.3539.520


The improved system here described has been used successfully in systematic measurements of direct-current conductivity of ice doped with hydrofluoric and hydrochloric acids. The use of four electrodes allows continuous control of measurement reliability.