RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results

Surface Complex Formation Data:

Mineral:	Illite
Reference:	MBLMD15
SCM Type:	NE - Non-electrostatic
Ligand:	Np<4+> - neptunium(IV)
Site Type:	»X(s)-OH
Equation:	»X(s)-OH + Np<4+> + 4 H2O ⇔ »X(s)-O-Np(OH)4<1-> + 5 H<1+>
LogK:	-5.7 ± 1.2 LogK°_I=0 (Conversion to I = 0): -4.52
Experiment:	Batch Sorption Experiments
Ionic Strength:	0.1 mol/L NaCl
Temperature:	298.0 K
Solid/Liquid Ratio:	2.0 g/L
pH Range:	3-11
Ligand Concentration Range:	3E-8 - 3E-4 mol/L
Fit Method:	PhreePlot
Comment:	Na-illite; only Np(V) surface complexation constants for the strong sites were determined; additional reactions and constants from [BB09] used for the modeling (see the study)

1 data sets were retrieved