I have a very simple question - let´s assume we have two electrodes immersed in different solutions, connected with a bridge made of a porous, non-conductive polymer, not saturated in salts. is it possible that we observe potential difference (due to some kind of liquid junction potential?) and no current flow? My assumption is that if no redox reactions occur, there is no current?
I am working with conducting polymers and struggling with decoupling ionic and electronic effects of different compounds.
Thank you very much!
Two potassium ion selective electrodes(or two chloride ion electrodes) immersed in different concentration KCl solutions, connected with a bridge made of a porous, non-conductive polymer, It is possible that we observe potential difference and only cation and anion flow.
Dear Shen-Ming Chen, thank you very much for your answer. Do you maybe also have an idea of how can I test for this -- if it is just ion flow ?
You can determine the potentuial difference between two potassium ion selective electrodes immersed in two different concentration KCl solutions, connected with a bridge made of a porous, non-conductive polymer. you also can determine the potentuial difference between two chloride ion selective electrodes immersed in two different concentration KCl solutions, connected with a bridge made of a porous, non-conductive polymer. The sum of two cases and it depends on ion flow, potassium concentrations and chloride ion comcentrations in two solutions.
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