Mineral: |
Pyrite |
Reference: |
NMDCS06 |
SCM Type: |
DDL - Diffuse Double Layer |
Ligand: |
Eu<3+>
- europium(III)
|
Site Type: |
»Fe(II)-OH |
Equation: |
»Fe(II)-OH + Eu<3+> + Cl<1-> ⇔ »Fe(II)-O-EuCl<1+> + H<1+> |
LogK: |
2.33 ± 0.03
LogK°I=0 (Conversion to I = 0): 2.33
LogK2.31 nm−2 (SSD-normalized): 9.07
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
0.0 mol/L
NaCl
|
Solid/Liquid Ratio: |
8.0 g/L |
pH Range: |
3-12 |
Ligand Concentration Range: |
5E-5 mol/L |
Fit Method: |
FITEQL |
Comment: |
oxidized pyrite; experiments in 0.05M NaCl; data were modeled with FITEQL and JCHESS; inert atmosphere <1ppm CO2; not clear whether data given as pK or logK; in NH4Cl medium with SSD of =Fe(II)-OH sites 1.2+-0.6E-5 ml/g solid logK (pK?) 2.6+-0.2 |
|