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: NpO2<1+> - neptunyl(V)
Site Type: »Fe-OH
Equation: »Fe-OH + NpO2<1+>  ⇔  »Fe-OH-NpO2<1+>
LogK: 5.1 ± 0.4         LogK°I=0 (Conversion to I = 0):   5.10         LogK2.31 nm−2 (SSD-normalized):   10.91
Experiment: Batch Sorption Experiments
Ionic Strength: 0.0 mol/L NaClO4
Solid/Liquid Ratio: 0.05 g/L
pH Range: 2-10
Ligand Concentration Range: 2.5E-7 mol/L
Fit Method: FITEQL
Comment: IS = 0.01 and 0.1 M, calculation for IS=0; mean value of logK; other logK (apparent/intrinsic):4.8/4.9 (0.01M), 5.2/5.3 (0.1M); closed atmosphere
 
1 data sets were retrieved