RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Site Query Results

Binding Site Data:

Mineral:	Goethite
Reference:	LCV99
SCM Type:	CC - Constant Capacitance (C₁: 1.28 F/m²)
Ionic Strength:	0.1 mol/L of NaNO3
Site Type:	»Fe-OH
PZC:	8.49
pK1:	7.47	pK1°_I=0 (Conversion to I = 0):	7.36	pK1_{2.31 nm⁻²} (normalized):	7.33
pK2:	9.51	pK2°_I=0 (Conversion to I = 0):	9.40	pK2_{2.31 nm⁻²} (normalized):	9.65
Site Density in nm^-2:	1.6800
Original Site Density:	1.68 sites / nm² surface
Solid/Liquid Ratio in g/L:	1.75
pH Range:	2.5-8.5
Temperature in K:	298.15
Method for Site Density:	Potentiometric Titration
Method for Protolysis:	Potentiometric Titration
Fit Method:	FITEQL
Comment:	C, SSD, pK from [LSS90]; SSD=2E-4 mol/L

1 data sets were retrieved