RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Alumina
Reference: MDCF94
SCM Type: CC - Constant Capacitance
Ligand: Yb<3+> - ytterbium
Site Type: »Al-OH
Equation: »Al-OH + Yb<3+>  ⇔  »Al-OH-Yb<3+>
LogK: 8.4 ± 0.2         LogK°I=0 (Conversion to I = 0):   9.36         LogK2.31 nm−2 (SSD-normalized):   7.01
Experiment: Potentiometric Titration
Ionic Strength: 0.1 mol/L NaNO3
Solid/Liquid Ratio: 0.2 g/L
pH Range: 5-7
Ligand Concentration Range: 2E-5 mol/L
Fit Method: FITEQL
Comment: loading ratio [Yb3+]/[SOH]=0.26=0.2g/L, log K for a 1d experiment, for 1h logK=9.2 (cited in [MDF97]); error 2 sigma
 
1 data sets were retrieved