I am planning to repeat a reaction which requires me to polarised a electrode for +0.3 V (vs RHE), but I only have silver (Ag/AgCl) electrode, what is the potential difference I need to apply to my electrodes against the Ag electrode in order to achieve a potential difference that is equivalent to +0.3 V (vs RHE)?
Many thanks.
See
https://www.researchgate.net/post/How_to_convert_a_potential_collected_with_reference_to_Ag_AgCl_to_Reversible_Hydrogen_Electrode2
According to the Nernst equation,
ERHE= EAg/AgCl + 0.059 × pH + 0.197 V
Further details can be found in ............................
https://www.researchgate.net/post/How-can-I-convert-RHE-from-the-measured-potentials-in-different-reference-electrodes-and-electrolytes
This is easier to see graphically: check out Figure 6(a) in our open access potentiostat tutorial paper, DOI: 10.1039/d1cp00661d
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