RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

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Surface Complex Formation Data:

Mineral: Montmorillonite
Reference: GEB10
SCM Type: CC - Constant Capacitance
Ligand: Pb<2+> - lead
Site Type: »X-OH
Equation: »X-OH + Pb<2+>  ⇔  »X-O-Pb<1+> + H<1+>
LogK: 0.49        LogK°I=0 (Conversion to I = 0):   0.49         LogK2.31 nm−2 (SSD-normalized):   4.42
Experiment: Batch Sorption Experiments
Ionic Strength: 0.0 mol/L NaNO3
Temperature: 298.15 K
Solid/Liquid Ratio: 1.5 g/L
pH Range: 3-9
Ligand Concentration Range: 4.88E-5 mol/L
Fit Method: FITEQL
Comment: also ion exchange reaction given: 2»X<1->Na<1+> + Pb<2+> = »X2<1->Pb<2+> + 2Na<1+> with logK = 2.56
 
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