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:	Sr<2+> - strontium
Site Type:	»Si-OH
Equation:	»SiOH + Sr<2+> + H2O ⇔ »SiO<1->-Sr(OH)<1+> + 2 H<1+>
LogK:	-19.39 LogK°_I=0 (Conversion to I = 0): -19.36
Experiment:	Batch Sorption Experiments
Ionic Strength:	0.001 mol/L NaClO4
Temperature:	298.15 K
pH Range:	3-11
Ligand Concentration Range:	1E-4 mol/L
Fit Method:	GRFIT
Comment:	equation converted for RES³T with the log K of -13.29 (LLNL for PHREEQC) for the equation: Sr<2+> + H2O = SrOH<1+>; original equation in the article: »SiOH + SrOH<1+> = »SiO<1->SrOH<1+> + H<1+>, logK = -6.1

1 data sets were retrieved