RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results

Surface Complex Formation Data:

Mineral:	Quartz
Reference:	ZB04b
SCM Type:	NE - Non-electrostatic
Ligand:	NpO2<1+> - neptunyl(V)
Site Type:	»Si-OH
Equation:	»SiOH + NpO2<1+> ⇔ »SiO-NpO2 + H<1+>
LogK:	-3.72 ± 0.15
Experiment:	Batch Sorption Experiments
Ionic Strength:
Temperature:	298.15 K
Ligand Concentration Range:	1E-14. 1E-07. 1E-06 mol/L
Fit Method:	FITEQL
Comment:	average non-electrostatic SC constant for aluminosilicates of 6 curves from [RBAB91] and [BPA98]; standard deviation relate to the differences in fitted logK constants from the various batch sorption data sets; IS was 0.1 M; surface complexation to aluminosilicate >SiOH or >AlOH reactive sites is considered equivalent to the reactivity of aluminum oxide and silica reactive sites.

1 data sets were retrieved