RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Ferrihydrite
Reference: BL81a
SCM Type: BS - Basic Stern
Ligand: Cd<2+> - cadmium
Site Type: »Fe-OH
Equation: »Fe-OH + Cd(OH)<1+>  ⇔  »Fe-OH-Cd(OH)<1+>
LogK: 5.1        LogK°I=0 (Conversion to I = 0):   5.53
Experiment: Batch Sorption Experiments
Ionic Strength: 0.1 mol/L NaNO3
Ligand Concentration Range: 1E-7 mol/L
Fit Method: graphic extrapolation
Comment: ogK=3.9 (for [Cd]=5E-5M); in the paper was the following equation: »Fe-OH + CdOH<1+> = »Fe-OH-CdOH; data from [BPQ77]; no site density and surface protolysis data
 
1 data sets were retrieved