RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

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Surface Complex Formation Data:

Mineral: Ferrihydrite
Reference: FAYKN13
SCM Type: TL - Triple Layer
Ligand: SO4<2-> - sulfate
Site Type: »Fe-OH
Equation: 2 »Fe-OH + SO4<2-> + H<1+>  ⇔  (»Fe-OH)(»FeOSO3<1->) + H2O
LogK: 15.1        LogK°I=0 (Conversion to I = 0):   15.64         LogK2.31 nm−2 (SSD-normalized):   16.97
Experiment: Batch Sorption Experiments
Ionic Strength: 0.1 mol/L NaNO3
Temperature: 298.15 K
Solid/Liquid Ratio: 0.078 g/L
pH Range: 3 - 8
Ligand Concentration Range: 2.08E-4; 1.82E-3 mol/L
Fit Method: GEOSURF
Comment: constants refer to hypothetical 1.0 M standard state; extended TLM; source: Swedlund and Webster (2001)
 
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