GaOOH

Formula : GaOOH

Family: 
Hydroxides

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
102.730 19.700 (Ref.: 97ben/dia) Benezeth P., Diakonov I.I., Pokrovski G.S., Dandurand J.L., Schott J. and Khodakovsky I.L., 1997. Gallium speciation in aqueous solution. Experimental study and modelling: Part 2. Solubility of alpha-GaOOH in acidic solutions from 150 to 250C and hydrolysis constants of gallium (III) to 300oC. Geochim. Cosmochim. Acta, 61, pp. 1345-1357 -627893 (Ref.: 97ben/dia) Benezeth P., Diakonov I.I., Pokrovski G.S., Dandurand J.L., Schott J. and Khodakovsky I.L., 1997. Gallium speciation in aqueous solution. Experimental study and modelling: Part 2. Solubility of alpha-GaOOH in acidic solutions from 150 to 250C and hydrolysis constants of gallium (III) to 300oC. Geochim. Cosmochim. Acta, 61, pp. 1345-1357 -705329 (Ref.: Internal calculation) 51.610 (Ref.: 97ben/dia) Benezeth P., Diakonov I.I., Pokrovski G.S., Dandurand J.L., Schott J. and Khodakovsky I.L., 1997. Gallium speciation in aqueous solution. Experimental study and modelling: Part 2. Solubility of alpha-GaOOH in acidic solutions from 150 to 250C and hydrolysis constants of gallium (III) to 300oC. Geochim. Cosmochim. Acta, 61, pp. 1345-1357 86.24 (Ref.: 97ben/dia) Benezeth P., Diakonov I.I., Pokrovski G.S., Dandurand J.L., Schott J. and Khodakovsky I.L., 1997. Gallium speciation in aqueous solution. Experimental study and modelling: Part 2. Solubility of alpha-GaOOH in acidic solutions from 150 to 250C and hydrolysis constants of gallium (III) to 300oC. Geochim. Cosmochim. Acta, 61, pp. 1345-1357
CP(T) = a + b·T + ·c·T-2 (T in Kelvin)
a
J·mol-1·K-1
 b * 103
J·mol-1·K-2
 c * 10-5
J·K·mol-1
 Maier Kelley Ref.
54.39 64.18 11.30 (Ref.: 97ben/dia) Benezeth P., Diakonov I.I., Pokrovski G.S., Dandurand J.L., Schott J. and Khodakovsky I.L., 1997. Gallium speciation in aqueous solution. Experimental study and modelling: Part 2. Solubility of alpha-GaOOH in acidic solutions from 150 to 250C and hydrolysis constants of gallium (III) to 300oC. Geochim. Cosmochim. Acta, 61, pp. 1345-1357
Reaction properties

GaOOH + 3H+ ⇌ Ga+3 + 2H2O

298.15 K, 1 bar log10K: 1.49 ΔH°r:-42093 J·mol-1 (Ref.: Internal calculation)
T(°C) 0 25 60 100 150 200 250 300
log10K 2.19 1.49 0.77 0.26 -0.03 0.00 0.34 1.12
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
957.827538 0.175521 -46284.847956 -356.978373 2656808.220814