RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Site Query Results

Binding Site Data:

Mineral:	Kaolinite
Reference:	SSA05
SCM Type:	ECC - Extended Constant Capacitance (C₁: 7.0 F/m², C₂: 3.0 F/m²)
Ionic Strength:	0.01 mol/L of NaNO3
Site Type:	»X-OH
PZC:
pK1:	3.81	pK1°_I=0 (Conversion to I = 0):	3.77	pK1_{2.31 nm⁻²} (normalized):	4.07
pK2:	6.16	pK2°_I=0 (Conversion to I = 0):	6.12	pK2_{2.31 nm⁻²} (normalized):	5.90
Site Density in nm^-2:	4.1733
Original Site Density:	6.93 µmol / m² surface
Solid/Liquid Ratio in g/L:	6.69
pH Range:	3-10
Temperature in K:	295.0
Method for Site Density:	Potentiometric Titration
Method for Protolysis:	Potentiometric Titration
Fit Method:	GRFIT
Comment:	only valid in combination with ion exchange reactions: >XH + Na⁺ = >XNa + H⁺ with log K = -3.30 (site density (>XH) = 1.04 µmol/m²)

1 data sets were retrieved