Mineral: |
Hematite |
Reference: |
C96 |
SCM Type: |
NE - Non-electrostatic |
Ligand: |
NpO2<1+>
- neptunyl(V)
|
Site Type: |
»Fe-OH |
Equation: |
»Fe-OH + NpO2<1+> + H2O ⇔ »Fe-O-NpO2(OH)<1-> + 2 H<1+> |
LogK: |
-12.5 ± 0.1
LogK°I=0 (Conversion to I = 0): -12.50
LogK2.31 nm−2 (SSD-normalized): -7.06
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
0.0 mol/L
NaClO4
|
Solid/Liquid Ratio: |
0.05 g/L |
pH Range: |
2-10 |
Ligand Concentration Range: |
2.5E-7 mol/L |
Fit Method: |
Comment: |
IS = 0.01 -0.1 M, calculation for IS=0; mean value of intrinsic logK; other logK (apparent/intrinsic): -12.6/-12.5 (0.01M), -12.4/-12.5 (0.1M); closed atmosphere |
|