Mineral: |
Illite |
Reference: |
WMDV98 |
SCM Type: |
DDL - Diffuse Double Layer |
Ligand: |
Eu<3+>
- europium(III)
|
Site Type: |
»X-OH |
Equation: |
»X-OH + Eu<3+> ⇔ »X-O-Eu<2+> + H<1+> |
LogK: |
2.13 ± 0.07
LogK°I=0 (Conversion to I = 0): 3.21
LogK2.31 nm−2 (SSD-normalized): 6.51
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
0.5 mol/L
NaClO4
|
pH Range: |
3-7.5 |
Fit Method: |
FITEQL |
Comment: |
glove box; at low pH sorption relatively pH independent due to the ion exchange; at higher pH sharp sorption edge represented the surface complexation reaction; ion exchange: 3=XO-Na + Eu3+ = =X-Eu + 3Na+, logK=11.4(0.5M), 10.96(0.2M) |
|