RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

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Surface Complex Formation Data:

Mineral: Kaolinite
Reference: SNKTO19
SCM Type: CC - Constant Capacitance
Ligand: Cd<2+> - cadmium
Site Type: »X-OH
Equation: »X-OH + Cd<2+>  ⇔  »X-O-Cd<1+> + H<1+>
LogK: -4.4        LogK°I=0 (Conversion to I = 0):   -4.40         LogK2.31 nm−2 (SSD-normalized):   -0.20
Experiment: Batch Sorption Experiments
Ionic Strength: 0.0 mol/L NaNO3
pH Range: 3 - 9
Ligand Concentration Range: 2E-4 mol/L
Fit Method: MINEQL
Comment: kaolinite dosage: 15 and 75 m²/ 30 mL;

»X<1-> * H<1+> + Na<1+> = »X<1-> * Na1+> + H<1+> with log K = -2.9;
2»X<1-> * H<1+> + Cd<2+> = »X2<2-> * Cd<2+> + 2H<1+> with log K = -2.6 (Average value of 12 experimental conditions shown in Fig. 2. See Fig. 2 for the value for each condition)
 
1 data sets were retrieved