Redox couples Absolute charges and structure \(S\) (mV K-1) \(S\) (mV K-1) Ref.
\({Fe(CN)}_{6}^{4-}\)/\({Fe(CN)}_{6}^{3-}\) High absolute charges and complex structures 4.28 92 92
\({Fe(\text{Clo}_{4})}_{2}\)/\({Fe(\text{Clo}_{4})}_{3}\) High absolute charges and complex structures 1.76 95 95
\(\text{SO}_{3}^{2-}/\text{SO}_{4}^{2-}\) Low absolute charges and simple structures 1.63 93 93
\(\text{Fe}^{3+}\)/\(\text{Fe}^{2+}\) Low absolute charges and simple structures -1.63 15 15
\(I^{-}\)/\(I_{3}^{-}\) Low absolute charges and simple structures 0.51 96 96