RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Site Query Results

Binding Site Data:

Mineral:	Goethite
Reference:	VL01
SCM Type:	TL - Triple Layer (C₁: 1.0 F/m², C₂: 0.2 F/m²)
Ionic Strength:	NaCl
Site Type:	»Fe-OH
PZC:	8.9
pK1:	6.9	pK1_{2.31 nm⁻²} (normalized):	7.54
pK2:	10.9	pK2_{2.31 nm⁻²} (normalized):	10.26
Site Density in nm^-2:	10.0000
Original Site Density:	10.0 sites / nm² surface
Solid/Liquid Ratio in g/L:
pH Range:
Temperature in K:
Method for Site Density:	Empirical Correlation
Method for Protolysis:	Potentiometric Titration
Fit Method:
Comment:	background electrolyte 0.01, 0.05 and 0.1 M, raw data from [VL00]; PZC=PZNPC from [VRL94] (NaClO4 medium); SSD more reasonable upper value since few experiments of maximum ionic adsorption; delta pK=4; C2 based on analysis of compact-layer capiv´citance on AgI surface (Lyklema and Overbeck, 1961)

1 data sets were retrieved