RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Site Query Results

Binding Site Data:

Mineral:	Ferrihydrite
Reference:	LCV99
SCM Type:	CC - Constant Capacitance (C₁: 1.9 F/m²)
Ionic Strength:	0.1 mol/L of NaNO3
Site Type:	»Fe-OH
PZC:	8.29
pK1:	7.62	pK1°_I=0 (Conversion to I = 0):	7.51	pK1_{2.31 nm⁻²} (normalized):	7.61
pK2:	8.97	pK2°_I=0 (Conversion to I = 0):	8.86	pK2_{2.31 nm⁻²} (normalized):	8.98
Site Density in nm^-2:	2.2700
Original Site Density:	2.27 sites / nm² surface
Solid/Liquid Ratio in g/L:	0.21
pH Range:	4-9
Temperature in K:	298.3
Method for Site Density:	Potentiometric Titration
Method for Protolysis:	Potentiometric Titration
Fit Method:	GRFIT
Comment:	c(Fe(II)total)=0.16mM; Ar atmosphere; personal communication (L. Spandini): SSD=2E-4 mol/L

1 data sets were retrieved