RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results

Surface Complex Formation Data:

Mineral:	amorphous Silica
Reference:	KKT12
SCM Type:	DDL - Diffuse Double Layer
Ligand:	UO2<2+> - uranyl(VI)
Site Type:	»Si-OH
Equation:	2 »SiOH + UO2<2+> + cit<3-> ⇔ (»SiO)2-UO2cit<3-> + 2 H<1+>
LogK:	11.47 LogK°_I=0 (Conversion to I = 0): 12.65
Experiment:	Batch Sorption Experiments
Ionic Strength:	0.1 mol/L NaClO4
Temperature:	298.15 K
Solid/Liquid Ratio:	5.0 g/L
pH Range:	2-7
Ligand Concentration Range:	4.47E-06 mol/L
Fit Method:	FITEQL
Comment:	original reaction equation given as 2 (»SiOH) + UO2CIT<1-> = (»SiOH)2UO2CIT<3-> + 2H<1+>, logK = 2.77; WSOS/DF = 2.22

1 data sets were retrieved