RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results

Surface Complex Formation Data:

Mineral:	amorphous Silica
Reference:	S05
SCM Type:	TL - Triple Layer
Ligand:	Tl<1+> - thallium
Site Type:	»Si-OH
Equation:	»SiOH + Tl<1+> ⇔ »SiO-Tl + H<1+>
LogK:	-2.7
Experiment:	Literature
Ionic Strength:	1.0 mol/L
Temperature:	298.15 K
Fit Method:	Unknown
Comment:	calculation from literature values with standard SSA and SSD at ionic strength of 1M, log K for Aerosil in brackets for Cabosil content »Si-O<1-> + Tl<1+> = »Si-O-Tl logK = 4.3(3.8) »Si-OH = »Si-O<1-> + H<1+> pK2 = -logK = 7.0 sum »Si-OH + Tl<1+> = »Si-O-Tl + H<1+> logK= 4.3(3.8) -7 = -2.7(-3.2)

1 data sets were retrieved