RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Goethite
Reference: PB95
SCM Type: TL - Triple Layer
Ligand: NpO2<2+> - neptunyl(VI)
Site Type: »Fe-OH
Equation: »Fe-OH + NpO2<2+> + H2O  ⇔  »Fe-O-NpO2(OH) + 2 H<1+>
LogK: -4.5        LogK°I=0 (Conversion to I = 0):   -4.29         LogK2.31 nm−2 (SSD-normalized):   -3.56
Experiment: Batch Sorption Experiments
Ionic Strength: 0.1 mol/L NaCl
Fit Method: HYDRAQL
Comment: raw data from [HL85] there is logK=8.0 for UO2++ logK=-4.5 also in [PB94] for UO2++
 
1 data sets were retrieved