RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Ferrihydrite
Reference: NSHK21
SCM Type: DDL - Diffuse Double Layer
Ligand: Cu<2+> - copper
Site Type: »Fe(s)-OH
Equation: 2 »Fe(s)-OH + Cu<2+>  ⇔  »Fe(s)-OH-»Fe(s)-O-Cu<1+> + H<1+>
LogK: 2.38 ± 0.038         LogK°I=0 (Conversion to I = 0):   2.70         LogK2.31 nm−2 (SSD-normalized):   2.48
Experiment: Batch Sorption Experiments
Ionic Strength: 0.1 mol/L NaNO3
Temperature: 298.15 K
pH Range: 4 - 9
Ligand Concentration Range: 3E-5; 9.9E-5; 1.34E-2 mol/L
Fit Method: FITEQL
Comment: R-DLM (recalibrated DLM), CO2 free conditions; 5.3, 0.5 and 3.6 g/L ferrihydrite
 
1 data sets were retrieved