RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Ferrihydrite
Reference: HL85
SCM Type: TL - Triple Layer
Ligand: UO2<2+> - uranyl(VI)
Site Type: »Fe-OH
Equation: 2 »Fe-OH + 3 UO2<2+> + 5 H2O  ⇔  (»Fe-O)2-(UO2)3(OH)5<1-> + 7 H<1+>
LogK: -20.0        LogK°I=0 (Conversion to I = 0):   -19.46         LogK2.31 nm−2 (SSD-normalized):   -18.13
Experiment: Potentiometric Titration
Ionic Strength: 0.1 mol/L NaNO3
Fit Method:
Comment: bidentate complex; for a monodentate complex log K = -15 was calculated; also a tridentate complex is discussed with log K = -23.6
 
1 data sets were retrieved