RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Site Query Results

Binding Site Data:

Mineral:	Goethite
Reference:	PL96
SCM Type:	ECC - Extended Constant Capacitance (C₁: 4.5 F/m², C₂: 1.79 F/m²)
Ionic Strength:	0.1 mol/L of NaNO3
Site Type:	»Fe-OH
PZC:
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:
pH Range:
Temperature in K:	298.15
Method for Site Density:	Potentiometric Titration
Method for Protolysis:	Potentiometric Titration
Fit Method:	FITEQL
Comment:	pK for CC from [LSS90], there C=1.28; 1/C=1/C1+1/C2, C1 and C2 best fit, temperature 25+-0.05°C; SSD evaluated by LETAGROPVRID; Ar-atmosphere

1 data sets were retrieved