GeO(OH)3-

Formula : GeO(OH)3-

Dernière mise à jour le 25.01.2021

THERMODYNAMICS

Individual properties (298.15 K)
M
g·mol-1
 V°
cm3·mol-1
 ΔGºf
J·mol-1
 ΔHºf
J·mol-1
 Sº
J·mol-1·k-1
 CP
J·mol-1·K-1
139.631 27.599 (Ref.: 98pok/sch) Pokrovski G.S. and Schott J., 1998. Thermodynamic properties of aqueous Ge(IV) hydroxide complexes from 25 to 350C: Implications for the behavior of germanium and the Ge/Si ratio in hydrothermal fluids. Geochimica et Cosmochimica Acta, 62, 1631-1642 -914204 (Ref.: 98pok/sch) Pokrovski G.S. and Schott J., 1998. Thermodynamic properties of aqueous Ge(IV) hydroxide complexes from 25 to 350C: Implications for the behavior of germanium and the Ge/Si ratio in hydrothermal fluids. Geochimica et Cosmochimica Acta, 62, 1631-1642 -1089874 (Ref.: Internal calculation) 113.554 (Ref.: 98pok/sch) Pokrovski G.S. and Schott J., 1998. Thermodynamic properties of aqueous Ge(IV) hydroxide complexes from 25 to 350C: Implications for the behavior of germanium and the Ge/Si ratio in hydrothermal fluids. Geochimica et Cosmochimica Acta, 62, 1631-1642 79.75 (Ref.: 98pok/sch) Pokrovski G.S. and Schott J., 1998. Thermodynamic properties of aqueous Ge(IV) hydroxide complexes from 25 to 350C: Implications for the behavior of germanium and the Ge/Si ratio in hydrothermal fluids. Geochimica et Cosmochimica Acta, 62, 1631-1642
HKF coefficients
a1·10
J·mol-1·bar-1
 a2·10-2
J·mol-1
 a3
J·K·mol-1·bar-1
 a4·10-4
J·K·mol-1
 c1
J·mol-1·K-1
 c2·10-4
J·K·mol-1
 ω·10-5
J·mol-1
24.9366 28.3257 12.9286 -12.8030 115.7290 2.6359 5.0208
Reaction properties

Ge(OH)4 ⇌ GeO(OH)3- + H+

298.15 K, 1 bar log10K: -9.31 ΔH°r:27364 J·mol-1 (Ref.: 98pok/sch) Pokrovski G.S. and Schott J., 1998. Thermodynamic properties of aqueous Ge(IV) hydroxide complexes from 25 to 350C: Implications for the behavior of germanium and the Ge/Si ratio in hydrothermal fluids. Geochimica et Cosmochimica Acta, 62, 1631-1642
T(°C) 0 25 60 100 150 200 250 300
log10K -9.77 -9.31 -8.85 -8.54 -8.37 -8.39 -8.56 -8.91
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
-239.005838 -0.052430 9737.308892 88.864400 -641756.062365