RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Ferrihydrite
Reference: BC90
SCM Type: TL - Triple Layer
Ligand: Si(OH)4<0> - Silicic acid
Site Type: »Fe-OH
Equation: »Fe-OH + Si(OH)4<0>  ⇔  »Fe-OH2-H3SiO4
LogK: 27.3        LogK°I=0 (Conversion to I = 0):   27.30         LogK2.31 nm−2 (SSD-normalized):   28.24
Experiment: Potentiometric Titration
Ionic Strength: 0.1 mol/L KCl
Fit Method:
Comment: chemical reaction not clear, may also start from H2SiO3 or SiO3<2->, background electrolyte data from [D78] assuming KCl behaves like NaNO3
 
1 data sets were retrieved