RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Goethite
Reference: NPLS96
SCM Type: CC - Constant Capacitance
Ligand: phthal<2-> - o-phthalate
Site Type: »Fe-OH
Equation: »Fe-OH + phthal<2-> + H<1+>  ⇔  »Fe-OH2-phthal<1->
LogK: 4.39 ± 0.03         LogK°I=0 (Conversion to I = 0):   4.93         LogK2.31 nm−2 (SSD-normalized):   5.33
Experiment: Potentiometric Titration
Ionic Strength: 0.1 mol/L NaNO3
pH Range: 3.0-8.5
Fit Method: FITEQL
Comment: modeling of the data with the Extended CC model at the base of protolyse constants of [LSS90] (CCM]; systematic variation of C1 and C2: C1=2.9; C2=2.3
 
1 data sets were retrieved