RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

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Surface Complex Formation Data:

Mineral: Montmorillonite
Reference: G99
SCM Type: CC - Constant Capacitance
Ligand: B(OH)3<0> - boric acid
Site Type: »Al-OH
Equation: »Al-OH + B(OH)3<0>  ⇔  »Al-O-B(OH)2 + H2O
LogK: 3.78        LogK°I=0 (Conversion to I = 0):   3.78         LogK2.31 nm−2 (SSD-normalized):   7.05
Experiment: Batch Sorption Experiments
Ionic Strength: 0.1 mol/L NaCl
Solid/Liquid Ratio: 40.0 g/L
pH Range: 6.5-11
Ligand Concentration Range: 4.63E-4 mol/L
Fit Method: FITEQL
Comment: pK and logK fitted simultaneously; reanalysis of boron adsorption of [GG86] with postulation of both trigonal (B(OH)3) and tetrahedral (B(OH)4-) B surface complexes consistent with experimental ATR-FTIR results [SS95]
 
1 data sets were retrieved