RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Kaolinite
Reference: RDKLL10
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: -1.91         LogK2.31 nm−2 (SSD-normalized):   -2.10
Experiment: Batch Sorption Experiments
Ionic Strength: NaNO3
Temperature: 298.0 K
Solid/Liquid Ratio: 2.0 g/L
pH Range: 2-9
Ligand Concentration Range: 1E-6 - 1E-4 mol/L
Fit Method: FITEQL
Comment: Ion exchange: X(Na) + H<1+> = X(H) + Na<1+>, log K = 2.5 [LKLSD09]; 2X(Na) + Pb<2+> = X2(Pb) + 2Na<1+>, log K = 5.5
 
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