RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Quartz
Reference: R82a
SCM Type: TL - Triple Layer
Ligand: Na<1+> - sodium
Site Type: »Si-OH
Equation: »Si-OH + Na<1+>  ⇔  »Si-O-Na + H<1+>
LogK: -6.6        LogK°I=0 (Conversion to I = 0):   -6.60
Experiment: Potentiometric Titration
Ionic Strength: 0.0 mol/L NaNO3
pH Range: 3-9
Ligand Concentration Range: 0.0001-1 mol/L
Fit Method: graphic extrapolation
Comment: citation in [ZS94] (silanol sites in miontmorillonite), other value for log K: -7.0 (cited by ZACS90); logK=-6.6 also in NaCl, double extrapolation to ionic strength 0
 
1 data sets were retrieved