Mineral: |
Montmorillonite |
Reference: |
IAWJ05 |
SCM Type: |
ECC - Extended Constant Capacitance |
Ligand: |
4-AP<0>
- 4-aminopyridine
|
Site Type: |
»X-Ca |
Equation: |
»X2-Ca + 4-AP + H<1+> ⇔ »X-(4-AP)H + 0.5 Ca<2+> |
LogK: |
10.0 LogK°I=0 (Conversion to I = 0): 10.07
LogK2.31 nm−2 (SSD-normalized): 14.42
|
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: |
4-10 |
Ligand Concentration Range: |
1E-3 and 1E-4 mol/L |
Fit Method: |
GRFIT |
Comment: |
also sorption isotherms at pH=4 |
|