Mineral: |
Quartz |
Reference: |
ZB04b |
SCM Type: |
NE - Non-electrostatic |
Ligand: |
NpO2<1+>
- neptunyl(V)
|
Site Type: |
»Si-OH |
Equation: |
»SiOH + NpO2<1+> + H2O ⇔ »SiO-NpO3H<1-> + 2 H<1+> |
LogK: |
-12.16
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
|
Temperature: |
298.15 K |
Ligand Concentration Range: |
1E-14. 1E-07. 1E-06 mol/L |
Fit Method: |
FITEQL |
Comment: |
average non-electrostatic SC constant for aluminosilicates of 6 curves from [RBAB91] and [BPA98]; IS was 0.1 M; surface complexation to aluminosilicate >SiOH or >AlOH reactive sites is considered equivalent to the reactivity of aluminum oxide and silica reactive sites. |
|