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+> + 2 H2O ⇔ »SiOH-Pb(OH)2 + 2 H<1+>
LogK:	-18.1902 LogK°_I=0 (Conversion to I = 0): -18.16
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 -17.0902 (LLNL for PHREEQC) for the equation: Pb<2+> + 2H2O = Pb(OH)2 + 2H<1+>; original equation in the article: »SiOH + Pb(OH)2 = »SiOHPb(OH)2, logK = -1.1

1 data sets were retrieved