MSH12

Formula : Mg1.07SiO2.075(OH)1.99

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
121.135 33.700 (Ref.: 18roo/vie) Roosz, C., Vieillard, P., Blanc, P., Gaboreau, S., Gailhanou, H., Braithwaite, D., Montouillout, V., Denoyel, R., Henocq, P., Made, B., 2018. Thermodynamic properties of C-S-H, C-A-S-H and M-S-H phases: Results from direct measurements and predictive modelling. Applied Geochemistry 92, 140-156. -1739259 (Ref.: 18roo/vie) Roosz, C., Vieillard, P., Blanc, P., Gaboreau, S., Gailhanou, H., Braithwaite, D., Montouillout, V., Denoyel, R., Henocq, P., Made, B., 2018. Thermodynamic properties of C-S-H, C-A-S-H and M-S-H phases: Results from direct measurements and predictive modelling. Applied Geochemistry 92, 140-156. -1895912 (Ref.: Internal calculation) 75.350 (Ref.: 18roo/vie) Roosz, C., Vieillard, P., Blanc, P., Gaboreau, S., Gailhanou, H., Braithwaite, D., Montouillout, V., Denoyel, R., Henocq, P., Made, B., 2018. Thermodynamic properties of C-S-H, C-A-S-H and M-S-H phases: Results from direct measurements and predictive modelling. Applied Geochemistry 92, 140-156. 72.38 (Ref.: 18roo/vie) Roosz, C., Vieillard, P., Blanc, P., Gaboreau, S., Gailhanou, H., Braithwaite, D., Montouillout, V., Denoyel, R., Henocq, P., Made, B., 2018. Thermodynamic properties of C-S-H, C-A-S-H and M-S-H phases: Results from direct measurements and predictive modelling. Applied Geochemistry 92, 140-156.
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.
72.38 0.00 0.00 (Ref.: 18roo/vie) Roosz, C., Vieillard, P., Blanc, P., Gaboreau, S., Gailhanou, H., Braithwaite, D., Montouillout, V., Denoyel, R., Henocq, P., Made, B., 2018. Thermodynamic properties of C-S-H, C-A-S-H and M-S-H phases: Results from direct measurements and predictive modelling. Applied Geochemistry 92, 140-156.
Reaction properties

MSH12 + 2.14H+ ⇌ 1.07Mg+2 + H4SiO4 + 0.065H2O

298.15 K, 1 bar log10K: 12.73 ΔH°r:-81218 J·mol-1 (Ref.: Internal calculation)
T(°C) 0 25 60 100 150 200 250 300
log10K 14.01 12.73 11.24 9.94 8.73 7.83 7.12 6.50
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
-763.131861 -0.098017 48779.470936 271.518229 -2700191.236751