RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Hematite
Reference: C96
SCM Type: NE - Non-electrostatic
Ligand: NpO2<1+> - neptunyl(V)
Site Type: »Fe-OH
Equation: »Fe-OH + NpO2<1+> + H2O  ⇔  »Fe-O-NpO2(OH)<1-> + 2 H<1+>
LogK: -12.5 ± 0.1         LogK°I=0 (Conversion to I = 0):   -12.50         LogK2.31 nm−2 (SSD-normalized):   -7.06
Experiment: Batch Sorption Experiments
Ionic Strength: 0.0 mol/L NaClO4
Solid/Liquid Ratio: 0.05 g/L
pH Range: 2-10
Ligand Concentration Range: 2.5E-7 mol/L
Fit Method:
Comment: IS = 0.01 -0.1 M, calculation for IS=0; mean value of intrinsic logK; other logK (apparent/intrinsic): -12.6/-12.5 (0.01M), -12.4/-12.5 (0.1M); closed atmosphere
 
1 data sets were retrieved