RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Site Query Results


Binding Site Data:


Mineral: Kaolinite
Reference: LAWJ03
SCM Type: ECC - Extended Constant Capacitance   (C1: 3.0 F/m2,  C2: 7.0 F/m2)
Ionic Strength: 0.01 mol/L of KClO4
Site Type: »X-OH
PZC:
pK1: 3.24 pK1°I=0 (Conversion to I = 0): 3.20 pK12.31 nm−2 (normalized): 3.13
pK2: 7.55 pK2°I=0 (Conversion to I = 0): 7.51 pK22.31 nm−2 (normalized): 7.66
Site Density in nm-2: 1.8066
Original Site Density: 3.0 µmol / m² surface
Solid/Liquid Ratio in g/L: 0.0
pH Range:
Temperature in K:
Method for Site Density: Potentiometric Titration
Method for Protolysis:Potentiometric Titration
Fit Method:GRFIT
Comment: N2-atmosphere; C1=3.0+-0.1 F/m^2, C2=7.0+-0.1 F/m^2; acid-base reactions at the kaolinite surface represented together with X-H + K+ = X-K + H+ (pK=2.88+-0.05, SSD (X-H)=2.2+-0.1µmol/m^2)
 
1 data sets were retrieved