Mineral: |
Bentonite |
Reference: |
LYGZW13 |
SCM Type: |
NE - Non-electrostatic |
Ligand: |
Eu<3+>
- europium(III)
|
Site Type: |
»Al-OH |
Equation: |
»Al-OH + Eu<3+> + H2O ⇔ »Al-O-Eu(OH)<1+> + 2 H<1+> |
LogK: |
-7.7
LogK2.31 nm−2 (SSD-normalized): -5.00
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
NaCl
|
Temperature: |
295.0 K |
Solid/Liquid Ratio: |
1.0 g/L |
pH Range: |
3 - 10.5 |
Ligand Concentration Range: |
1E-9 to 1E-4 mol/L |
Fit Method: |
FITEQL |
Comment: |
0.001 - 0.5 mol/L NaCl;
also ion exchange modeled: 3»XNa + Eu<3+> = (»X)3Eu + 3Na<1+>, log K = 2.0;
also log K = 1.8 for the strong aluminol site but no SSD and pK values given;
paper is in chinese language! |
|