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: »Fe-OH + SeO4<2->  ⇔  »Fe-OH-SeO4<2->
LogK: 0.65 ± 0.04         LogK°I=0 (Conversion to I = 0):   1.08         LogK2.31 nm−2 (SSD-normalized):   1.59
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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