RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Hematite
Reference: RK14
SCM Type: DDL - Diffuse Double Layer
Ligand: Am<3+> - americium
Site Type: »Fe-OH
Equation: »Fe-OH + Am<3+>  ⇔  »Fe-O-Am<2+> + H<1+>
LogK: 3.31 ± 0.03         LogK°I=0 (Conversion to I = 0):   4.17         LogK2.31 nm−2 (SSD-normalized):   4.25
Experiment: Batch Sorption Experiments
Ionic Strength: 0.1 mol/L NaClO4
Temperature: 298.15 K
Solid/Liquid Ratio: 0.3 g/L
pH Range: 3-7
Ligand Concentration Range: 1.9 × 10^−10 mol/L
Fit Method: FITEQL
Comment: wrong reaction equation in original reference: ≡FeOH + Am^3+ + H2O = ≡FeOAm^2+ + H^+, LogK = 3.31 ± 0.03
 
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