Reference half-cells are widely used by corrosion scientists and engineers but are poorly understood by many users without a background in chemistry. This review covers the basic chemical rationale for reference half-cell, and the conventions established for their use. The problems of electrochemical potential measurements in sea water systems, some solutions to these problems, and the reproducibility Ag/AgCl half-cells are discussed. Preliminary studies of Will self generated hydrogen electrodes are also included.

Subject
Stability, Water, Impedance, Hydrogen electrodes, Seawater, Instrumentation, Liquids, Chlorides, Half cell potential, Electrodes, Half cells, Electrode potential, Hydrogen
Keywords:
half-cells, reference electrodes, seawater, Ag/AgCl, hydrogen cell
Government work published by the Association for Materials Protection and Performance (AMPP) with permission of the author(s). Positions and opinions advanced in this work are those of the author(s) and not necessarily those of AMPP. Responsibility for the content of the work lies solely with the author(s).
2001
GOV
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