RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Kaolinite
Reference: HZ94
SCM Type: DDL - Diffuse Double Layer
Ligand: Pb<2+> - lead
Site Type: »X-OH
Equation: »X-OH + Pb<2+>  ⇔  »X-O-Pb<1+> + H<1+>
LogK: -1.47        LogK°I=0 (Conversion to I = 0):   -1.27         LogK2.31 nm−2 (SSD-normalized):   -1.88
Experiment: Batch Sorption Experiments
Ionic Strength: 0.025 mol/L NaNO3
Temperature: 293.15 K
pH Range: 4-10
Ligand Concentration Range: 3.9E-7 mol/L
Fit Method: MINSQ
Comment: combination of SCM/ion exchange model: ion exchange 2=XNa + Pb2+ = (=X)2Pb + 2Na+: logK=5.58
 
1 data sets were retrieved