concentration cell


concentration cell

[‚kän·sən′trā·shən ‚sel] (physical chemistry) Electrochemical cell for potentiometric measurement of ionic concentrations where the electrode potential electromotive force produced is determined as the difference in emf between a known cell (concentration) and the unknown cell. An electrolytic cell in which the electromotive force is due to a difference in electrolyte concentrations at the anode and the cathode.