RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

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Surface Complex Formation Data:

Mineral: Goethite
Reference: S06c
SCM Type: TL - Triple Layer
Ligand: Na<1+> - sodium
Site Type: »Fe-OH
Equation: »Fe-OH + Na<1+>  ⇔  »Fe-O<1->Na<1+> + H<1+>
LogK: -8.8         LogK2.31 nm−2 (SSD-normalized):   -7.86
Ionic Strength: NaCl
Temperature: 298.15 K
Fit Method: Unknown
Comment: equilibrium constants in this study refer to site-occupancy standard state with hypothtical 1.0 M ionic strength (K°) and values for N' = 10 * 10^18 m^-2 and A' = 10 m²/g using the equation: K = K°(Ns * As/N' * A'), where Ns represents the SSD = 16.4 sites/nm² from [BM81] and As the SSA = 51.8 m²/g from [BM81]; regression of proton surface charge data in the present study; pH(ZPC) calculated from experimental pH(PZSE) = 7.5 [BM81] using equation 31
 
1 data sets were retrieved