RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Site Query Results

Binding Site Data:

Mineral:	Kaolinite
Reference:	IJW99
SCM Type:	CC - Constant Capacitance (C₁: 2.1 F/m²)
Ionic Strength:	0.005 mol/L of KNO3
Site Type:	»X-OH
PZC:
pK1:	3.96	pK1°_I=0 (Conversion to I = 0):	3.93	pK1_{2.31 nm⁻²} (normalized):	3.89
pK2:	7.24	pK2°_I=0 (Conversion to I = 0):	7.21	pK2_{2.31 nm⁻²} (normalized):	7.31
Site Density in nm^-2:	1.9572
Original Site Density:	3.25 µmol / m² surface
Solid/Liquid Ratio in g/L:	6.79
pH Range:	3.5-9.5
Temperature in K:	298.15
Method for Site Density:	Potentiometric Titration
Method for Protolysis:	Potentiometric Titration
Fit Method:	FITEQL
Comment:	cation exchange reaction: XK + H+ == XH + K+; no distinction between silanol and aluminol sites; solid/liquid ratio equal to 100 m²/L; temperature 25+-0.1°C

1 data sets were retrieved