RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Site Query Results

Binding Site Data:

Mineral:	Goethite
Reference:	AWJ99b
SCM Type:	CC - Constant Capacitance (C₁: 1.18 F/m²)
Ionic Strength:	0.005 mol/L of KNO3
Site Type:	»Fe-OH
PZC:
pK1:	7.17	pK1°_I=0 (Conversion to I = 0):	7.14	pK1_{2.31 nm⁻²} (normalized):	6.89
pK2:	9.88	pK2°_I=0 (Conversion to I = 0):	9.85	pK2_{2.31 nm⁻²} (normalized):	10.16
Site Density in nm^-2:	1.2044
Original Site Density:	2.0 µmol / m² surface
Solid/Liquid Ratio in g/L:	1.9
pH Range:	3.5-9.5
Temperature in K:	298.15
Method for Site Density:	Sorption Isotherms
Method for Protolysis:	Potentiometric Titration
Fit Method:	FITEQL
Comment:	also datasets for 10, 40, 55 and 70°C reported

1 data sets were retrieved