RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: amorphous Silica
Reference: GZMGG04
SCM Type: TL - Triple Layer
Ligand: Pb<2+> - lead
Site Type: »Si-OH
Equation: »SiOH + Pb<2+> + H2O  ⇔  »SiO<1->PbOH<1+> + 2 H<1+>
LogK: -13.7951        LogK°I=0 (Conversion to I = 0):   -13.76
Experiment: Batch Sorption Experiments
Ionic Strength: 0.001 mol/L NaClO4
Temperature: 298.15 K
pH Range: 2-11
Ligand Concentration Range: 1E-4 mol/L
Fit Method: GRFIT
Comment: equation converted for RES³T with the log K of -7.6951 (LLNL for PHREEQC) for the equation: Pb<2+> + H2O = PbOH<1+>; original equation in the article: »SiOH + PbOH<1+> = »SiO<1->PbOH<1+> + H<1+>, logK = -6.1
 
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