RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Site Query Results

Binding Site Data:

Mineral:	Orthoclase
Reference:	B18a
SCM Type:	1pK-BS - 1pK-Basic Stern (C₁: 1.5 F/m²)
Ionic Strength:	0.01 mol/L of NaClO4
Site Type:	»Al-singly
PZC:
pK1:	3.5	pK1°_I=0 (Conversion to I = 0):	3.46	pK1_{2.31 nm⁻²} (normalized):	3.72
pK2:		pK2°_I=0 (Conversion to I = 0):
Site Density in nm^-2:	3.8000
Original Site Density:	3.8 sites / nm² surface
Solid/Liquid Ratio in g/L:	71.2
pH Range:	3-9
Temperature in K:
Method for Site Density:	Potentiometric Titration
Method for Protolysis:	Potentiometric Titration
Fit Method:	UCODE_2014
Comment:	only intrinsic protolysis constant of Al-OH; model approach SCP FS VI; Δσ = 0.047 C/m² (Δσ – shift to transform relative (raw data) into absolute surface charge densities)

1 data sets were retrieved