Reduction Potentials

9,10-Anthraquinone-2-sulfonate ion

(R² = SO₃^–, R¹ = R⁴ = R⁶ = H)

E = –390(mV)
Recommended value.

see Introduction (Sec. 6.2)

Meisel, D.; Neta, P.
J. Am. Chem. Soc. 97(18): 5198-203 (1975)

E = –380(mV), ionic strength = ~0.010, pH = 7

Reference compound: DQ
Reference E: –235 mV
Co-solute: 2-PrOH

Concentrations used to estimate equilibrium constant.

Wardman, P.; Clarke, E.D.
J. Chem. Soc., Faraday Trans. 1 72(6): 1377-90 (1976)

E = –375(mV), ionic strength = -> 0, pH = 7

Reference compound: BV²⁺
Reference E: –354 mV
Co-solute: 2-PrOH

Concentrations used to estimate equilibrium constant.

Wardman, P.; Clarke, E.D.
J. Chem. Soc., Faraday Trans. 1 72(6): 1377-90 (1976)

E = –377(mV), ionic strength = -> 0, pH = 7

Reference compound: DQ
Reference E: –244 mV
Co-solute: 2-PrOH

Concentrations used to estimate equilibrium constant; Calculated by the present author from data in reference shown.

Wold, E.; Kaalhus, O.; Johansen, E.S.; Ekse, A.T.
Int. J. Radiat. Biol. Relat. Stud. Phys., Chem. Med. 38(6): 599-611 (1980)

E = –375(mV), ionic strength = -> 0, pH = 7

Reference compound: DQ
Reference E: –244 mV
Co-solute: 2-PrOH

Concentrations used to estimate equilibrium constant; Calculated by the present author from data in reference shown.

Wold, E.; Kaalhus, O.; Johansen, E.S.; Ekse, A.T.
Int. J. Radiat. Biol. Relat. Stud. Phys., Chem. Med. 38(6): 599-611 (1980)

E = –373(mV), ionic strength = -> 0, pH = 7

Reference compound: BV²⁺
Reference E: –355 mV
Co-solute: 2-PrOH

Concentrations used to estimate equilibrium constant; Calculated by the present author from data in reference shown.

Anderson, R.F.
Biochim. Biophys. Acta 722: 158-62 (1983)

E = –366(mV), ionic strength = -> 0, pH = 7

Reference compound: BV²⁺
Reference E: –354 mV
Co-solute: 2-PrOH

Concentrations used to estimate equilibrium constant.

Anderson, R.F.
Biochim. Biophys. Acta 722: 158-62 (1983)

E = –381(mV), ionic strength = -> 0, pH = 7

Reference compound: TQ²⁺
Reference E: –548 mV
Co-solute: 2-PrOH

Concentrations used to estimate equilibrium constant.