Thaumasite

Formula : CaSiO3CaSO4CaCO3:15H2O

Dernière mise à jour le 11.06.2018

THERMODYNAMICS

Individual properties (298.15 K)
M
g·mol-1
cm3·mol-1
ΔGºf
J·mol-1
ΔHºf
J·mol-1
J·mol-1·k-1
CP
J·mol-1·K-1
622.619 329.428 -7559666 -8682044 941.500 1058.97
Reaction properties

Thaumasite + 3H+ ⇌ HCO3- + 3Ca+2 + SO4-2 + H4SiO4

298.15 K, 1 bar log10K: 10.31 ΔH°r: -9040 J·mol-1
T(°C) 0 25 60 100 150 200 250 300
log10K 10.42 10.31 10.11 9.83 9.40 8.79 7.87 6.37