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: 14.8         LogK2.31 nm−2 (SSD-normalized):   16.67
Experiment: Batch Sorption Experiments
Ionic Strength: NaCl
Temperature: 298.15 K
Solid/Liquid Ratio: 0.16 g/L
pH Range: 4 - 9
Ligand Concentration Range: 1E-4; 2E-4 mol/L
Fit Method: GEOSURF
Comment: constants refer to the hypothetical 1.0 M standard state; extended TLM; 0.01 or 0.1 M NaCl
 
1 data sets were retrieved