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: SeO3<2-> - selenite
Site Type: »Fe-OH
Equation: 2 »Fe-OH + SeO3<2->  ⇔  (»Fe-O)2-SeO3<4-> + 2 H<1+>
LogK: -6.96 ± 0.64         LogK°I=0 (Conversion to I = 0):   -6.75         LogK2.31 nm−2 (SSD-normalized):   -5.09
Experiment: Potentiometric Titration
Ionic Strength: 0.1 mol/L KCl
Ligand Concentration Range: 6.8E-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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