Tryptophan
(TrpH)

(R1 = R2 = R5 = H, R3 = CH2CH(NH2)CO2H)

Butler, J.; Land, E.J.; Pruetz, W.A.; Swallow, A.J.
Biochim. Biophys. Acta 705(2): 150-62 (1982)

E = 1140(mV), ionic strength = ~1

Reference compound: 9.56
Reference E: 1250 mV
Co-solute: SCN–

Calcn. from data in 761151, +- 200 mV

Jovanovic, S.V.; Harriman, A.; Simic, M.G.
J. Phys. Chem. 90(9): 1935-9 (1986)

E = 940(mV), pH = 3
Questionable or superseded value.

Reference compound: HSO3–
Reference E: 840 mV

Few details; Kinetics used to estimate equilibrium constant; see 86A215, 87C007

Jovanovic, S.V.; Harriman, A.; Simic, M.G.
J. Phys. Chem. 90(9): 1935-9 (1986)

E = 640(mV), pH = 7.5
Questionable or superseded value.

Reference compound: 5.1.5
Reference E: 600 mV

Few details; Concentrations used to estimate equilibrium constant + Kinetics used to estimate equilibrium constant; see 86A215, 87C007

Jovanovic, S.V.; Harriman, A.; Simic, M.G.
J. Phys. Chem. 90(9): 1935-9 (1986)

E = 560(mV), pH = 13.0
Questionable or superseded value.

Reference compound: 5.1.5
Reference E: 400 mV

Few details; Concentrations used to estimate equilibrium constant + Kinetics used to estimate equilibrium constant; see 86A215, 87C007

Harriman, A.
J. Phys. Chem. 91(24): 6102-4 (1987)

E = 1150(mV), ionic strength = 0.2, pH = 2

Cyc. v.

Harriman, A.
J. Phys. Chem. 91(24): 6102-4 (1987)

E = 1015(mV), ionic strength = 0.2, pH = 7

Cyc. v.

Harriman, A.
J. Phys. Chem. 91(24): 6102-4 (1987)

E = 650(mV), ionic strength = 0.2, pH = 13

Cyc. v.

Merenyi, G.; Lind, J.; Shen, X.
J. Phys. Chem. 92(1): 134-7 (1988)

E = 1080(mV), pH = 7

Calc. from E0 and pKa

Faraggi, M.; Weinraub, D.; Broitman, F.; DeFelippis, M.R.; Klapper, M.H.
Radiat. Phys. Chem. 32(2): 293-7 (1988)

E = 830(mV), ionic strength = 0.15, pH = 7

Reference compound: (Fe(III))
Reference E: 660 mV
Co-solute: N3–

Concentrations used to estimate equilibrium constant + Kinetics used to estimate equilibrium constant; Fe(III) = ferrocinium-1,1

Merenyi, G.; Lind, J.; Shen, X.
J. Phys. Chem. 92(1): 134-7 (1988)

E = 1240(mV)

Reference compound: ClO2
Reference E: 936 mV
Co-solute: Br–

Kinetics used to estimate equilibrium constant.

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