Mineral: |
Kaolinite |
Reference: |
EPH13 |
SCM Type: |
NE - Non-electrostatic |
Ligand: |
PaO2<1+>
- protactinyl(V)
|
Site Type: |
»X(s)-OH |
Equation: |
»X(s)-OH + PaO2<1+> + H2O ⇔ »X(s)-O-PaO2(OH)<1-> + 2 H<1+> |
LogK: |
-8.75
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
ground water
|
Temperature: |
298.15 K |
pH Range: |
6 - 10 |
Ligand Concentration Range: |
4E-8 mol/L |
Fit Method: |
PHREEQC |
Comment: |
S/L ratio not given in the study
Original reaction equation: »X(s)-OH + PaO(OH)<2+> + H2O = »X(s)-O-PaO2(OH)<1-> + 3 H<1+>, log K = -10 (Speciation reaction (ANDRA 2009): PaO2<1+> + H<1+> = PaO(OH)<2+>, log K = 1.25) |
|