Mineral: |
Montmorillonite |
Reference: |
IWJA05a |
SCM Type: |
ECC - Extended Constant Capacitance |
Ligand: |
Ca<2+>
- calcium
|
Site Type: |
»X-OH |
Equation: |
»X-OH + Ca<2+> ⇔ »X-O-Ca<1+> + H<1+> |
LogK: |
-8.0 LogK°I=0 (Conversion to I = 0): -7.78
LogK2.31 nm−2 (SSD-normalized): -4.41
|
Experiment: |
Potentiometric Titration |
Ionic Strength: |
0.033 mol/L
Ca(NO3)2
|
Temperature: |
298.15 K |
Solid/Liquid Ratio: |
1.19 g/L |
pH Range: |
4-9.5 |
Ligand Concentration Range: |
3.3E-3 mol/L |
Fit Method: |
FITEQL |
Comment: |
FITEQL/GRFIT; also sorption isotherms at pH 4.5 and 7.5 |
|