RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

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Surface Complex Formation Data:

Mineral: Goethite
Reference: LBSSV10
SCM Type: NE - Non-electrostatic
Ligand: Am<3+> - americium
Site Type: »Fe-OH
Equation: »Fe-OH + Am<3+> + H2O  ⇔  »Fe-O-Am(OH)<1+> + 2 H<1+>
LogK: -14.84        LogK°I=0 (Conversion to I = 0):   -14.84         LogK2.31 nm−2 (SSD-normalized):   -10.36
Experiment: Batch Sorption Experiments
Ionic Strength: 0.0 mol/L NaNO3
Temperature: 298.15 K
Solid/Liquid Ratio: 1.0 g/L
Ligand Concentration Range: 3E-11 mol/L
Fit Method: Unknown
Comment: original equation in the study: »Fe-O<1-> + Am(OH)<2+> = »Fe-O-Am(OH)<1+> with logK = 3.41 (K1 = 2.57E+3 L/mol) (Am<3+> + H2O = Am(OH)<2+> + H<1+> with logK = -7.2 given in NEA-TDB); also an ion exchange reaction given: 3»XH + Am<3+> = »X3Am + 3H<1+> with logK = -6.82
 
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