Reduction Potentials

3,5-Dihydroxybenzoic acid

(R⁴ = CO₂H)

Steenken, S.; Neta, P.
J. Phys. Chem. 83(9): 1134-7 (1979)

E = 280(mV), ionic strength = 0.5, pH = 13.5

Reference compound: 5.2.3
Reference E: 119 mV
Co-solute: glycol

Concentrations used to estimate equilibrium constant + Kinetics used to estimate equilibrium constant.