Mineral: |
Montmorillonite |
Reference: |
IWJA05a |
SCM Type: |
ECC - Extended Constant Capacitance |
Ligand: |
Ca<2+>
- calcium
|
Site Type: |
»X-K |
Equation: |
2 »X-K + Ca<2+> ⇔ »X2Ca + K<2+> |
LogK: |
4.1 LogK°I=0 (Conversion to I = 0): 4.28
LogK2.31 nm−2 (SSD-normalized): 12.93
|
Experiment: |
Potentiometric Titration |
Ionic Strength: |
0.01 mol/L
KNO3
|
Temperature: |
298.15 K |
Solid/Liquid Ratio: |
1.19 g/L |
pH Range: |
4-9.5 |
Ligand Concentration Range: |
1E-3 mol/L |
Fit Method: |
FITEQL |
Comment: |
FITEQL/GRFIT; also sorption isotherms at pH 4.5 and 7.5 |
|