RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Ferrihydrite
Reference: WAT01c
SCM Type: DDL - Diffuse Double Layer
Ligand: SeO4<2-> - selenate
Site Type: »Fe-OH
Equation: 2 »Fe-OH + SeO4<2-> + 2 H<1+>  ⇔  (»Fe-OH2)2-SeO4
LogK: 19.46 ± 0.1         LogK°I=0 (Conversion to I = 0):   20.10         LogK2.31 nm−2 (SSD-normalized):   21.33
Experiment: Potentiometric Titration
Ionic Strength: 0.1 mol/L KCl
pH Range: 4-11
Ligand Concentration Range: 6.7E-7 mol/L
Fit Method: FITEQL
Comment: S/L ratio: 0.0264 and 0.264 g/L; experimental data from [BC90]
 
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