Glauconite

Formula : (K0.75Mg0.25Fe1.5Al0.25)(Al0.25Si3.75)O10(OH)2

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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
431.991 139.760 -4796224 -5156060 337.040 343.82
Reaction properties

Glauconite + 7H+ + 3H2O ⇌ 0.5Al+3 + 1.25Fe+3 + 0.75K+

298.15 K, 1 bar log10K: 2.53 ΔH°r: -1131 J·mol-1
T(°C) 0 25 60 100 150 200 250 300
log10K 4.54 2.53 0.26 -1.77 -3.77 -5.41 -6.91 -8.40