Reduction Potentials

p-Phenylenediamine

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

E = 183(mV), ionic strength = 0.5, pH = 13.5 E = ~200(mV), pH = 11.0

Reference compound: HQ; HQ
Reference E: 23; 57 mV
Co-solute: glycol

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

Steenken, S.; Neta, P.
J. Phys. Chem. 86(18): 3661-7 (1982)

E = 309(mV), ionic strength = 0.5, pH = 13.5 E = 366(mV), pH = 13.5 E = 340(mV), pH = 13.5 E = 730(mV), pH = 7
Recommended value.

Reference compound: DMAP; TMPD
Reference E: 174; 266 mV
Co-solute: glycol

Rec., Concentrations used to estimate equilibrium constant + Kinetics used to estimate equilibrium constant; Au. rec.; Au. calc.

Neta, P.; Huie, R.E.
J. Phys. Chem. 89(9): 1783-7 (1985)

E < 600(mV), pH = 5.2
Recommended value.

Reference compound: SO₃•^–
Reference E: 740 mV
Co-solute: HSO₃^–

Concentrations used to estimate equilibrium constant.