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 + phthalH<1->  ⇔  »Al-OH2-phthal<1->
LogK: 4.34 ± 0.02         LogK°I=0 (Conversion to I = 0):   4.77         LogK2.31 nm−2 (SSD-normalized):   2.95
Experiment: Potentiometric Titration
Ionic Strength: 0.1 mol/L NaCl
pH Range: 4-10
Fit Method:
Comment: also batch adsorption experiments and FTIR outer sphere complex starts to form at pH=pH(pznpc) and reaches a maximum at pH 5-5.5 to about 30%; cited in [PNRLOS98]
 
1 data sets were retrieved