RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

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Surface Complex Formation Data:

Mineral: Kaolinite
Reference: SSA05
SCM Type: ECC - Extended Constant Capacitance
Ligand: Cu<2+> - copper
Site Type: »X-OH
Equation: »X-OH + Cu<2+> + H2O  ⇔  »X-O-Cu(OH) + 2 H<1+>
LogK: -16.13        LogK°I=0 (Conversion to I = 0):   -16.04         LogK2.31 nm−2 (SSD-normalized):   -16.54
Experiment: Batch Sorption Experiments
Ionic Strength: 0.01 mol/L NaNO3
Temperature: 295.0 K
Solid/Liquid Ratio: 6.69 g/L
pH Range: 3.5-10
Ligand Concentration Range: 1.33E-4 mol/L
Fit Method: GRFIT
Comment: original equation in the study: >SOH + CuOH+ = >SOCu(OH) + H+ with log K = -8.13, hydrolysis reaction from [BM76];
only valid in combination with ion exchange reaction: 2>XNa + Cu2+ = >X2Cu + 2Na+ with log K = 4.45
 
1 data sets were retrieved