Mineral: |
Goethite |
Reference: |
LBSSV10 |
SCM Type: |
NE - Non-electrostatic |
Ligand: |
Pu<4+>
- plutonium(IV)
|
Site Type: |
»Fe-OH |
Equation: |
»Fe-OH + Pu<4+> + 4 H2O ⇔ »Fe-O-Pu(OH)4<1-> + 5 H<1+> |
LogK: |
-17.72 LogK°I=0 (Conversion to I = 0): -17.72
LogK2.31 nm−2 (SSD-normalized): -13.24
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
0.0 mol/L
NaNO3
|
Temperature: |
298.15 K |
Solid/Liquid Ratio: |
1.0 g/L |
Ligand Concentration Range: |
1E-10 mol/L |
Fit Method: |
Unknown |
Comment: |
original equation in the study: »Fe-O<1-> + Pu(OH)4 = »Fe-O-Pu(OH)4<1-> with logK = 1.83 (K1 = 6.82E+1 L/mol) (Pu<4+> + 4H2O = Pu(OH)4 + 4H<1+> with logK = -8.5 given in NEA-TDB); also an ion exchange reaction given: »XH + Pu(OH)3<1+> = »XPu(OH)3 + H<1+> with logK = -0.099 |
|