RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

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Surface Complex Formation Data:

Mineral: Ferrihydrite
Reference: SJ91
SCM Type: TL - Triple Layer
Ligand: Ca<2+> - calcium
Site Type: »Fe-OH
Equation: »Fe-OH + Ca<2+> + H2O  ⇔  »Fe-O-Ca(OH) + 2 H<1+>
LogK: -15.9 ± 0.8         LogK°I=0 (Conversion to I = 0):   -15.69         LogK2.31 nm−2 (SSD-normalized):  
Experiment: Mean of Different Sources
Ionic Strength: 0.1 mol/L
Fit Method:
Comment: recalculation from literature values [BM79], [BM81] (both goethite),[ZGSR87] (ferrihydrite) in an effort to remove the uncertainties associated with SSD
 
1 data sets were retrieved