RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Site Query Results

Binding Site Data:

Mineral:	Hematite
Reference:	MDCF93a
SCM Type:	CC - Constant Capacitance (C₁: 1.2 F/m²)
Ionic Strength:	0.1 mol/L of NaNO3
Site Type:	»Fe-OH
PZC:	8.1
pK1:	6.38	pK1°_I=0 (Conversion to I = 0):	6.27	pK1_{2.31 nm⁻²} (normalized):	5.79
pK2:	9.81	pK2°_I=0 (Conversion to I = 0):	9.70	pK2_{2.31 nm⁻²} (normalized):	10.40
Site Density in nm^-2:	0.6000
Original Site Density:	0.6 sites / nm² surface
Solid/Liquid Ratio in g/L:	6.0
pH Range:
Temperature in K:
Method for Site Density:	Potentiometric Titration
Method for Protolysis:	Potentiometric Titration
Fit Method:	FITEQL
Comment:	citation in [MDF97] and [MDCF93b], PZC=1/2(pK1+pK2), site concentration 8.7E-6 mol/g (6g/L)=0.052 mmol/L=0.6sites/nm^2; PZC=8.1+-0.1

1 data sets were retrieved