RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Site Query Results

Binding Site Data:

Mineral:	Hematite
Reference:	EABFY13
SCM Type:	DDL - Diffuse Double Layer
Ionic Strength:	0.01 mol/L of NaCl
Site Type:	»Fe-OH
PZC:	7.36
pK1:	6.19	pK1°_I=0 (Conversion to I = 0):	6.15	pK1_{2.31 nm⁻²} (normalized):	6.46
pK2:	8.11	pK2°_I=0 (Conversion to I = 0):	8.07	pK2_{2.31 nm⁻²} (normalized):	7.84
Site Density in nm^-2:	4.2800
Original Site Density:	4.28 sites / nm² surface
Solid/Liquid Ratio in g/L:	10.0
pH Range:	3,5 - 10,5
Temperature in K:	298.15
Method for Site Density:	Potentiometric Titration
Method for Protolysis:	Potentiometric Titration
Fit Method:	FITEQL
Comment:	Surface acidity constants were determined from the potentiometric titration at I = 0.01 M, and are referenced to the 1.0M standard state.

1 data sets were retrieved