RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

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Surface Complex Formation Data:

Mineral: Boehmite
Reference: NPLS97
SCM Type: ECC - Extended Constant Capacitance
Ligand: phthal<2-> - o-phthalate
Site Type: »Al-OH
Equation: »Al-(OH)2 + phthalH<1-> + H<1+>  ⇔  »Al-phthal + 2 H2O
LogK: 6.54 ± 0.05         LogK°I=0 (Conversion to I = 0):   7.08         LogK2.31 nm−2 (SSD-normalized):   5.15
Experiment: Potentiometric Titration
Ionic Strength: 0.1 mol/L NaCl
pH Range: 4-10
Fit Method:
Comment: also batch adsorption experiments and FTIR ; inner sphere complex starts to form at pH<=6; cited in [PNRLOS98]
 
1 data sets were retrieved