RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

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Surface Complex Formation Data:

Mineral: Maghemite
Reference: SCP20
SCM Type: TL - Triple Layer
Ligand: Ca<2+> - calcium
Site Type: »Fe-OH
Equation: 4 »Fe-OH + Ca<2+> + H2O  ⇔  (»Fe-OH)2(»Fe-O<1->)2_Ca(OH)<1+> + 3 H<1+>
LogK: -14.5        LogK°I=0 (Conversion to I = 0):   -14.39         LogK2.31 nm−2 (SSD-normalized):   -10.75
Experiment: Batch Sorption Experiments
Ionic Strength: 0.1 mol/L KCl
Temperature: 298.15 K
Solid/Liquid Ratio: 10.0 g/L
pH Range: 4.5 - 10
Ligand Concentration Range: 0.001 mol/L
Fit Method: GEOSURF
Comment: tetranuclear complex on β-plane;
equilibrium constants refer to the hypothetical 1.0 M standard state
 
1 data sets were retrieved