Mineral: |
Montmorillonite |
Reference: |
BM11 |
SCM Type: |
NE - Non-electrostatic |
Ligand: |
UO2<2+>
- uranyl(VI)
|
Site Type: |
»Si-OH |
Equation: |
»Si-OH + UO2<2+> + 3 H2O ⇔ »Si-OH-UO2(OH)3<1-> + 3 H<1+> |
LogK: |
-20.15 LogK°I=0 (Conversion to I = 0): -20.15
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
0.0 mol/L
NaCl
|
Temperature: |
298.0 K |
Solid/Liquid Ratio: |
1.66 g/L |
pH Range: |
4-9 |
Ligand Concentration Range: |
4.2E-7 mol/L |
Fit Method: |
PEST |
Comment: |
STx-1b; at edge sites; original equation in the study »Si-OH + UO2OH3<1-> = »Si-OH-UO2(OH)3<1-> + H<1+> with logK = 0.1, UO2<2+> + 3H2O = UO2OH3<1-> + 3H<1+> log K = -20.250 [GFFGN03]
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