RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Site Query Results

Binding Site Data:

Mineral:	Hematite
Reference:	KILLS98
SCM Type:	CC - Constant Capacitance (C₁: 2.5 F/m²)
Ionic Strength:	0.1 mol/L of NaCl
Site Type:	»Fe-OH
PZC:
pK1:	7.1	pK1°_I=0 (Conversion to I = 0):	6.99	pK1_{2.31 nm⁻²} (normalized):	7.19
pK2:	7.8	pK2°_I=0 (Conversion to I = 0):	7.69	pK2_{2.31 nm⁻²} (normalized):	7.71
Site Density in nm^-2:	2.8500
Original Site Density:	2.85 sites / nm² surface
Solid/Liquid Ratio in g/L:	70.0
pH Range:	2.5-7.5
Temperature in K:	298.2
Method for Site Density:	Potentiometric Titration
Method for Protolysis:	Potentiometric Titration
Fit Method:	FITEQL
Comment:	[FeOH]tot = 2.0-2.1 mM; temperature 25+-0.2°C; argon atmosphere

1 data sets were retrieved