RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Site Query Results

Binding Site Data:

Mineral:	Ferrihydrite
Reference:	KFK20
SCM Type:	TL - Triple Layer (C₁: 1.0 F/m²)
Ionic Strength:	NaNO3
Site Type:	»Fe-OH
PZC:	7.9
pK1:	3.7	pK1_{2.31 nm⁻²} (normalized):	3.92
pK2:	-12.1	pK2_{2.31 nm⁻²} (normalized):	-12.32
Site Density in nm^-2:	3.8000
Original Site Density:	3.8 sites / nm² surface
Solid/Liquid Ratio in g/L:	1.0
pH Range:
Temperature in K:	298.15
Method for Site Density:	Literature
Method for Protolysis:	Potentiometric Titration
Fit Method:	PEST
Comment:	constants used in calculations with the Visual MINTEQ program; extended TLM; source of charge data was [NFT09]; wrong pK value? writing error?

1 data sets were retrieved