RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Ferrihydrite
Reference: SWM03
SCM Type: DDL - Diffuse Double Layer
Ligand: Pb<2+> - lead
Site Type: »Fe(s)-OH
Equation: »Fe(s)-OH + Pb<2+> + SO4<2->  ⇔  »Fe(s)-OH-PbSO4
LogK: 12.03 ± 0.16         LogK°I=0 (Conversion to I = 0):   12.03         LogK2.31 nm−2 (SSD-normalized):   12.12
Experiment: Batch Sorption Experiments
Ionic Strength: 0.0 mol/L
Temperature: 298.15 K
pH Range: 3 - 6
Fit Method: FITEQL
Comment: 3-site model (third higher affinity site); Pb conc. of 20.4 µmol/kg, Fe concentration of 1.10 mmol/kg, SO4 concentration of 0.105 mmol/kg
 
1 data sets were retrieved