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:	Rb<1+> - rubidium
Site Type:	»Si-OH
Equation:	»SiOH + Rb<1+> ⇔ »SiO-Rb + H<1+>
LogK:	-5.1
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-> + Rb<1+> = »Si-O-Rb logK = 1.9(1.5) »Si-OH = »Si-O<1-> + H<1+> pK2 = -logK = 7.0 sum »Si-OH + Rb<1+> = »Si-O-Rb + H<1+> logK= 1.9(1.5) -7 = -5.1(-5.5)

1 data sets were retrieved