Mineral: |
amorphous Silica |
Reference: |
K02b |
SCM Type: |
TL - Triple Layer |
Ligand: |
UO2<2+>
- uranyl(VI)
|
Site Type: |
»Si-OH |
Equation: |
2 (»Si-O 0.5 H) + 2 UO2<2+> + H2O ⇔ (»Si)2-O-(UO2)2-OH<1+> + 3 H<1+> ??? |
LogK: |
-9.7 LogK°I=0 (Conversion to I = 0): -9.16
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
0.1 mol/L
NaNO3
|
Temperature: |
298.15 K |
Solid/Liquid Ratio: |
1.0 g/L |
Ligand Concentration Range: |
1E-6 mol/L |
Fit Method: |
GEM |
Comment: |
at the total/maximum density parameter 4.6 species/nm^2, conversion of logK; after second conversion logK=-9.3 |
|