RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

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Surface Complex Formation Data:

Mineral: Goethite
Reference: FS07a
SCM Type: TL - Triple Layer
Ligand: K<1+> - potassium
Site Type: »Fe-OH
Equation: »Fe-OH + K<1+>  ⇔  »Fe-O<1->_K<1+> + H<1+>
LogK: -7.3         LogK2.31 nm−2 (SSD-normalized):   -6.36
Experiment: Potentiometric Titration
Ionic Strength: KNO3
Temperature: 298.15 K
Solid/Liquid Ratio: 4.17 g/L
pH Range: 4 - 10
Fit Method: GEOSURF
Comment: extended TLM; values refer to the hypothetical 1 M standard state; experimental data taken from [YH75]; cited in [KNT18]
 
1 data sets were retrieved