RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Goethite
Reference: PHBC06
SCM Type: DDL - Diffuse Double Layer
Ligand: La<3+> - lanthanum
Site Type: »Fe(w)-OH
Equation: »Fe(w)-OH + La<3+> + H2O  ⇔  »Fe(w)-O-La(OH)<1+> + 2 H<1+>
LogK: -10.08 ± 0.01         LogK°I=0 (Conversion to I = 0):   -9.33         LogK2.31 nm−2 (SSD-normalized):   -9.40
Experiment: Batch Sorption Experiments
Ionic Strength: 0.1 mol/L KNO3
Temperature: 298.15 K
Solid/Liquid Ratio: 10.0 g/L
pH Range: 3-10
Ligand Concentration Range: 1E-2 mol/L
Fit Method: FITEQL
Comment: =Fe(s)OHLa<3+> complex was not included; high residual sum of squares for this model (2800); surface precipitation? (1.3mM sites available)
 
1 data sets were retrieved