RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Hematite
Reference: KHL99
SCM Type: TL - Triple Layer
Ligand: NpO2<1+> - neptunyl(V)
Site Type: »Fe-OH
Equation: »Fe-OH + NpO2<1+> + 2 CO3<2-> + H<1+>  ⇔  »Fe-O-NpO2(HCO3)2<2->
LogK: 24.62        LogK°I=0 (Conversion to I = 0):   24.62         LogK2.31 nm−2 (SSD-normalized):   25.56
Experiment: Batch Sorption Experiments
Ionic Strength: 0.0 mol/L NaClO4
Solid/Liquid Ratio: 1.0 g/L
pH Range: 4-10
Ligand Concentration Range: 1.2E-7 M Np; 1.95% CO2 mol/L
Fit Method: FITEQL
Comment: modeled as an inner-sphere complex; 0.005-0.1M, no ionic strength dependence
 
1 data sets were retrieved