Six commercially available Ag/AgCl reference cells were tested under various environmental conditions to ascertain the stability and drift of the half-cells when exposed to changes in seawater temperature, conductivity and flow. Results showed there can be a large variability within reference cell vendor batches and the offset between different reference cells can be greater that ± 10mV. Generally, the half-cells responded in a similar manner to the environmental changes, but there were differences in response time and reversibility under some conditions.

Subject
Stability, Electrochemical cells, Manufacturing, Electrolyte resistance, Deviation, Seawater, Electrical resistivity, Elements, Half cell potential, Electrodes, Half cells, Electrolytes, Electrode potential
Keywords:
Silver-Silver Chloride, Ag/AgCl, reference cell, half-cell, environmental effects, seawater
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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