RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

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Surface Complex Formation Data:

Mineral: Smectite
Reference: MAG09a
SCM Type: NE - Non-electrostatic
Ligand: SeO3<2-> - selenite
Site Type: »X(w)-OH
Equation: »X(w)-OH + SeO3<2-> + H<1+>  ⇔  »X(w)-OH2-SeO3<1->
LogK: 17.25
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(w)-OH2<1+> + SeO3<2-> = »X(w)-OH2-SeO3<1->, logKc1 = 11.95
 
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