C1.2SH

Formula : Ca2.4Si2O7.1203H1.4406:2.0692H2O

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
305.008 127.696 (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. -4009888 (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. -4344526 (Ref.: Internal calculation) 322.208 (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. 320.02 (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.
320.02 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

C1.2SH + 4.8H+ ⇌ 2.4Ca+2 + 2H4SiO4 + 1.1895H2O

298.15 K, 1 bar log10K: 38.09 ΔH°r:-216390 J·mol-1 (Ref.: Internal calculation)
T(°C) 0 25 60 100 150 200 250 300
log10K 41.50 38.09 34.09 30.43 26.88 24.09 21.79 19.74
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
-1412.964746 -0.189203 94334.986210 504.746008 -5146218.031301