Mineral: |
Bentonite |
Reference: |
FS06 |
SCM Type: |
NE - Non-electrostatic |
Ligand: |
Sr<2+>
- strontium
|
Site Type: |
»X-OH |
Equation: |
2 »X-OH + Sr<2+> ⇔ (»X-O)2-Sr + 2 H<1+> |
LogK: |
-10.35 ± 1.31
LogK°I=0 (Conversion to I = 0): -10.35
LogK2.31 nm−2 (SSD-normalized): -2.46
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
0.0 mol/L
granitic water
|
Temperature: |
298.15 K |
Solid/Liquid Ratio: |
6.45 g/L |
pH Range: |
3.5-9 |
Ligand Concentration Range: |
1E-6 mol/L |
Fit Method: |
STAMB-2003 |
Comment: |
m/V also 3.51g/L
original equation in the study: 2»XO<1-> + Sr<2+> = (»XO)2Sr with log K = 9.27 ± 1.31 (»XO<1-> + H<1+> = »XOH with log K = 9.81 ± 0.11)
combination of surface complexation and ion exchange model |
|