|
Kinetic reactions
|
1
|
Quartz
|
SiO2(s) ⇔ SiO2(aq)
|
−4.00
|
−13.41
|
0.017 [54]
|
2
|
K-Feldspar
|
KAlSi3O8 + 4H+ ⇔ Al3+ + K+ + 2H2O + 3SiO2(aq)
|
−0.27
|
−12.41
|
0.098 [55]
|
3
|
Clinochlore-14A
|
\( {\text{Mg}}_{5} {\text{Al}}_{2} {\text{Si}}_{3} {\text{O}}_{10} \left( {\text{OH}} \right)_{8} + 8{\text{H}}^{ + } \Leftrightarrow 5{\text{Mg}}^{2 + } + 2{\text{Al}}\left( {\text{OH}} \right)_{4}^{ - } + 3{\text{SiO}}_{2} \left( {\text{aq}} \right) + 4{\text{H}}_{2} {\text{O}} \)
|
67.24
|
−12.52
|
1.10 [56]
|
4
|
Daphnite-14A
|
\( {\text{Fe}}_{5} {\text{Al}}_{2} {\text{Si}}_{3} {\text{O}}_{10} \left( {\text{OH}} \right)_{8} + 8{\text{H}}^{ + } \Leftrightarrow 5{\text{Fe}}^{2 + } + 2{\text{Al}}\left( {\text{OH}} \right)_{4}^{ - } + 3{\text{SiO}}_{2} \left( {\text{aq}} \right) + 4{\text{H}}_{2} {\text{O}} \)
|
52.28
|
−12.52
|
1.10 [56]
|
5
|
Muscovite
|
KAl2(Si3Al)O10(OH)2 + 10H+ ⇔ K+ + 3Al3+ + 3SiO2(aq) + 6H2O
|
13.58
|
−13.55
|
14.28 [57]
|
6
|
Kaolinite
|
Al2Si2O5(OH)4 + 6H+ ⇔ 2Al3+ + 5H2O + 2SiO2
|
6.81
|
−13.18
|
14.70 [58]
|
7
|
Illite
|
K0.6Mg0.25Al1.8Al0.5Si3.5O10(OH)2 + 8H+ ⇔ 0.25 Mg2++0.6K++2.30Al3+ + 3.50SiO2(aq) + 5H2O
|
9.02
|
−11.60
|
65.00 [57]
|
8
|
Sericite
|
KAl2(Si3Al)O10(OH)2 + 10H+ ⇔ K+ + 3Al3+ + 3SiO2(aq) + 6H2O
|
13.58
|
−13.55
|
57.00 [59]
|
9
|
Dolomite
|
\( {\text{CaMg}}\left( {{\text{CO}}_{3} } \right)_{2} \left( {\text{s}} \right) \Leftrightarrow {\text{Ca}}^{2 + } + {\text{Mg}}^{2 + } + 2{\text{CO}}_{3}^{2 - } \)
|
−16.70
|
−7.53
|
0.25 [60]
|
10
|
Calcite
|
\( {\text{CaCO}}_{3} \left( {\text{s}} \right) \Leftrightarrow {\text{Ca}}^{2 + } + {\text{CO}}_{3}^{2 - } \)
|
−8.48
|
−5.81
|
0.48 [61]
|
11
|
Gypsum
|
\( {\text{CaSO}}_{ 4} \left( {\text{s}} \right) \Leftrightarrow {\text{Ca}}^{ 2+ } + {\text{SO}}_{4}^{{2{ - }}} + 2 {\text{H}}_{ 2} {\text{O}} \)
|
−4.48
|
−2.79
|
7.00 [62]
|
12
|
Celestite
|
\( {\text{SrSO}}_{ 4} \left( {\text{s}} \right) \Leftrightarrow {\text{Sr}}^{ 2+ } + {\text{SO}}_{4}^{2 - } \)
|
−5.68
|
–
|
1.22 [63]
|
13
|
Barite
|
\( {\text{BaSO}}_{ 4} \left( {\text{s}} \right) \Leftrightarrow {\text{Ba}}^{ 2+ } + {\text{SO}}_{4}^{2 - } \)
|
−9.97
|
−7.90
|
1.47 [61]
|
14
|
Gibbsite
|
Al(OH)3(s) + 3H+ ⇔ Al3+ + 3H2O
|
8.11
|
−11.50
|
6.50 [64]
|