Show Detailed Complexation Query Results
Surface Complex Formation Data:
Mineral: |
Goethite |
Reference: |
PL96 |
SCM Type: |
ECC - Extended Constant Capacitance |
Ligand: |
SO4<2->
- sulfate
|
Site Type: |
»Fe-OH |
Equation: |
»Fe-OH + SO4<2-> + 2 H<1+> ⇔ »Fe-OH2-HSO4 |
LogK: |
13.5 ± 0.07
LogK°I=0 (Conversion to I = 0): 14.14
LogK2.31 nm−2 (SSD-normalized): 14.44
|
Experiment: |
Potentiometric Titration |
Ionic Strength: |
0.1 mol/L
NaNO3
|
pH Range: |
2.9-8.4 |
Fit Method: |
FITEQL |
Comment: |
potentiometric titration ( ratio SO4/=FeOH 0.4, 0.6, 0.8), batch exp. (ratio SO4/=FeOH 0.5, 0.8, 1.1), =FeOH total=0.6-0.8 mmol/L; outer-sphere (confirmed by FT-IR and adsorption experiments at different ionic strengths) |
|
1 data sets were retrieved
|