RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

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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: 4.65        LogK°I=0 (Conversion to I = 0):   6.15         LogK2.31 nm−2 (SSD-normalized):   8.77
Experiment: Batch Sorption Experiments
Ionic Strength: 0.1 mol/L NaNO3
Temperature: 298.0 K
Solid/Liquid Ratio: 0.3 g/L
pH Range: 3-11
Ligand Concentration Range: 4.5E-5 mol/L
Fit Method: FITEQL
Comment: ion exchange reaction: 4 »XNa + Th4+ = »X4Th + 4Na+ with pKa = 9.16
 
1 data sets were retrieved