RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Ferrihydrite
Reference: KM89a
SCM Type: TL - Triple Layer
Ligand: K<1+> - potassium
Site Type: »Fe-OH
Equation: »Fe-OH + K<1+>  ⇔  »Fe-O-K + H<1+>
LogK: -8.0         LogK2.31 nm−2 (SSD-normalized):   -3.69
Experiment: Potentiometric Titration
Ionic Strength: 1.0 mol/L KNO3
Fit Method: graphic extrapolation
Comment: single extrapolation to zero-charge condition for titration in 1M KNO3; double extrapolation to alpha=0 and c=1: logK=-8.5
 
1 data sets were retrieved