RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Goethite
Reference: S04d
SCM Type: DDL - Diffuse Double Layer
Ligand: Pb<2+> - lead
Site Type: »Fe(w)-OH
Equation: »Fe(w)-OH + Pb<2+> + SO4<2->  ⇔  »Fe(w)-OH-PbSO4
LogK: 8.84        LogK°I=0 (Conversion to I = 0):   8.84         LogK2.31 nm−2 (SSD-normalized):   9.52
Experiment: Batch Sorption Experiments
Ionic Strength: 0.0 mol/L
Temperature: 298.15 K
pH Range: 3 - 6
Fit Method: FITEQL
Comment: Pb concentration of 0.905 µmol/kg,

SO4 concentration of 10.4 mmol/kg;

1.36 g/kg Goethite;

No convergence of this logK value so it was fixed at this value for consistency between results.
 
1 data sets were retrieved