RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Goethite
Reference: PB95
SCM Type: TL - Triple Layer
Ligand: Ra<2+> - radium
Site Type: »Fe-OH
Equation: »Fe-OH + Ra<2+> + H2O  ⇔  »Fe-O-Ra(OH) + 2 H<1+>
LogK: -14.5        LogK°I=0 (Conversion to I = 0):   -14.29         LogK2.31 nm−2 (SSD-normalized):   -13.56
Experiment: Batch Sorption Experiments
Ionic Strength: 0.1 mol/L NaCl
Fit Method: HYDRAQL
Comment: data from [CZR91] logK = -15.0+-0.09 for Ca++ sorption; data from [SJ91] logK = -16.3 for Ba++ and -15.9 for Ca++
 
1 data sets were retrieved