RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Hematite
Reference: CMFGG98
SCM Type: DDL - Diffuse Double Layer
Ligand: Th<4+> - thorium
Site Type: »Fe-OH
Equation: »Fe-OH + Th<4+> + 4 H2O  ⇔  »Fe-O-Th(OH)4<1-> + 5 H<1+>
LogK: -16.7 ± 0.1         LogK°I=0 (Conversion to I = 0):   -16.70         LogK2.31 nm−2 (SSD-normalized):   -11.26
Experiment: Batch Sorption Experiments
Ionic Strength: 0.0 mol/L NaClO4
pH Range: 2-10
Fit Method: FITEQL
Comment: I = 0.01 and 0.1 M; constant is calculated by applying the SIT for I = 0; set of hydrolysis constants for Th from [BM76]; carbonate concentration 5E-5M; mean value of logK; other logK (apparent/intrinsic): -17.2/-16.7 (0.01M), -18.0/-16.8 (0.1M);
 
1 data sets were retrieved