RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Hematite
Reference: C96
SCM Type: DDL - Diffuse Double Layer
Ligand: UO2<2+> - uranyl(VI)
Site Type: »Fe-OH
Equation: 2 »Fe-OH + UO2<2+> + 3 H2O  ⇔  (»Fe-O)2-UO2(OH)3<3-> + 5 H<1+>
LogK: -22.7 ± 0.6         LogK°I=0 (Conversion to I = 0):   -22.70         LogK2.31 nm−2 (SSD-normalized):   -11.82
Experiment: Batch Sorption Experiments
Ionic Strength: 0.0 mol/L NaClO4
Solid/Liquid Ratio: 0.075 g/L
pH Range: 2-10
Ligand Concentration Range: 5E-7 mol/L
Fit Method: FITEQL
Comment: IS = 0.01 -1 M, calculation for IS=0; mean value of logK; other logK (apparent/intrinsic): -22.6/-22.7 (0.01M), -22.9/-23.0 (0.1M); -22.4/-22.4 ( 1M); closed atmosphere
 
1 data sets were retrieved