RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Bentonite
Reference: DLL11
SCM Type: DDL - Diffuse Double Layer
Ligand: Th<4+> - thorium
Site Type: »X-OH
Equation: »X-OH + Th<4+> + H2O  ⇔  »X-O-Th(OH)<2+> + 2 H<1+>
LogK: 6.53        LogK°I=0 (Conversion to I = 0):   6.75         LogK2.31 nm−2 (SSD-normalized):   10.65
Experiment: Batch Sorption Experiments
Ionic Strength: 0.001 mol/L NaNO3
Temperature: 298.0 K
Solid/Liquid Ratio: 0.3 g/L
pH Range: 2-9
Ligand Concentration Range: 4.5E-5 mol/L
Fit Method: FITEQL
Comment: ion exchange reaction: 4 »XNa + Th4+ = »X4Th + 4Na+ with pKa = 10.30
 
1 data sets were retrieved