RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Site Query Results

Binding Site Data:

Mineral:	Goethite
Reference:	RL97
SCM Type:	TL - Triple Layer (C₁: 1.2 F/m², C₂: 0.2 F/m²)
Ionic Strength:	0.0 mol/L of NaClO4
Site Type:	»Fe-OH
PZC:	8.9
pK1:	7.9	pK1°_I=0 (Conversion to I = 0):	7.90	pK1_{2.31 nm⁻²} (normalized):	8.46
pK2:	9.9	pK2°_I=0 (Conversion to I = 0):	9.90	pK2_{2.31 nm⁻²} (normalized):	9.34
Site Density in nm^-2:	8.3800
Original Site Density:	8.38 sites / nm² surface
Solid/Liquid Ratio in g/L:	10.0
pH Range:	4-10
Temperature in K:
Method for Site Density:	Best Estimate
Method for Protolysis:	Potentiometric Titration
Fit Method:	FITEQL
Comment:	multiple ionic strength, ionic strength 0.0116, 0.0316, 0.1 M; PZC from [VRL94], cited in [RL98]; WSOS/DF=12.4

1 data sets were retrieved