Mineral: |
Smectite |
Reference: |
TSSY01 |
SCM Type: |
DDL - Diffuse Double Layer |
Ligand: |
Ra<2+>
- radium
|
Site Type: |
»X-OH |
Equation: |
»X-OH + Ra<2+> ⇔ »X-O-Ra<1+> + H<1+> |
LogK: |
-7.02 LogK°I=0 (Conversion to I = 0): -6.70
LogK2.31 nm−2 (SSD-normalized): -2.89
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
0.1 mol/L
NaCl
|
Temperature: |
298.15 K |
pH Range: |
7-11 |
Ligand Concentration Range: |
1.2E-08 mol/L |
Fit Method: |
FITEQL |
Comment: |
L/S ratio was 500 and 50 mL/g
in combination with ion exchange (2ZNa + Ra<2+> = Z2Ra + 2Na<1+>, log K = 1.33) |
|