RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results

Surface Complex Formation Data:

Mineral:	Smectite
Reference:	MAG09a
SCM Type:	NE - Non-electrostatic
Ligand:	SeO3<2-> - selenite
Site Type:	»X(s)-OH
Equation:	»X(s)-OH + SeO3<2-> + 2 H<1+> ⇔ »X(s)-OH2-HSeO3
LogK:	16.4
Experiment:	Not Specified
Ionic Strength:	NaClO4
Temperature:	298.15 K
Solid/Liquid Ratio:	0.5 g/L
pH Range:	3-11
Ligand Concentration Range:	4E-10 mol/L
Fit Method:	CHESS
Comment:	Na-smectite; IS: 0.001, 0.01, 0.1, 0.5 M; one-site and two-site model; original reaction equation: »X(s)-OH2<1+> + HSeO3<1-> = »X(s)-OH2-HSeO3, logKc2 = 17.90; formation constant logK = 8.4 for the reaction HSeO3<1-> + H2O = SeO3<2-> + H3O<1+> [SPGBD01]

1 data sets were retrieved