RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Site Query Results

Binding Site Data:

Mineral:	Goethite
Reference:	SPH08
SCM Type:	1pK-BS - 1pK-Basic Stern (C₁: 1.05 F/m²)
Ionic Strength:	0.1 mol/L of NaNO3
Site Type:	»Fe-singly
PZC:	9.18
pK1:	9.18	pK1°_I=0 (Conversion to I = 0):	9.07	pK1_{2.31 nm⁻²} (normalized):	9.30
pK2:	9.18	pK2°_I=0 (Conversion to I = 0):	9.07	pK2_{2.31 nm⁻²} (normalized):	9.06
Site Density in nm^-2:	3.0300
Original Site Density:	3.03 sites / nm² surface
Solid/Liquid Ratio in g/L:	10.0
pH Range:
Temperature in K:	298.15
Method for Site Density:	Assumption
Method for Protolysis:	Potentiometric Titration
Fit Method:	EQLFOR
Comment:	surface protonation of goethite is modeled using a 1-site 1-pK formalism with pK(a1) = pK(a2) = pK(PZC); {101} surfaces

1 data sets were retrieved