RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

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Surface Complex Formation Data:

Mineral: Hematite
Reference: MDCF93a
SCM Type: CC - Constant Capacitance
Ligand: Yb<3+> - ytterbium
Site Type: »Fe-OH
Equation: »Fe-OH + Yb<3+>  ⇔  »Fe-O-Yb<2+> + H<1+>
LogK: -0.48 ± 0.3         LogK°I=0 (Conversion to I = 0):   0.38         LogK2.31 nm−2 (SSD-normalized):   0.46
Experiment: Potentiometric Titration
Ionic Strength: 0.1 mol/L NaNO3
Solid/Liquid Ratio: 6.0 g/L
pH Range: 4-8
Ligand Concentration Range: 2E-5 mol/L
Fit Method: FITEQL
Comment: cited in [MDCF93b] and [MDF97]; error published in [MDCF93b]
 
1 data sets were retrieved