RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results

Surface Complex Formation Data:

Mineral:	Montmorillonite
Reference:	BB02b
SCM Type:	NE - Non-electrostatic
Ligand:	Eu<3+> - europium(III)
Site Type:	»X(s)-OH
Equation:	»X(s)-OH + Eu<3+> + 3 H2O ⇔ »X(s)-O-Eu(OH)3<1-> + 4 H<1+>
LogK:	-22.6 LogK°_I=0 (Conversion to I = 0): -22.13
Experiment:	Batch Sorption Experiments
Ionic Strength:	0.066 mol/L Ca(NO3)2
Solid/Liquid Ratio:	1.0 g/L
pH Range:	3-10
Ligand Concentration Range:	9.5E-9 mol/L
Fit Method:	MINSORB
Comment:	Ca-montmorillonite, 2SPNE/CE model; also sorption isotherm (1E-3 - 1E-9 M Eu3+, pH6 and 1E-3 - 1E-10 M, pH6.9, resp.); selectivity coefficient for cation exchange Ca-Eu (I=0)=13

1 data sets were retrieved