RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Site Query Results

Binding Site Data:

Mineral:	Quartz
Reference:	ZCWPK22
SCM Type:	NE - Non-electrostatic
Ionic Strength:	0.0 mol/L of
Site Type:	»Si-OH
PZC:
pK1:		pK1°_I=0 (Conversion to I = 0):
pK2:	7.2	pK2°_I=0 (Conversion to I = 0):	7.20	pK2_{2.31 nm⁻²} (normalized):	7.20
Site Density in nm^-2:	2.3100
Original Site Density:	2.31 sites / nm² surface
Solid/Liquid Ratio in g/L:
pH Range:	2-10
Temperature in K:	298.15
Method for Site Density:	Assumption
Method for Protolysis:	Mean of Different Sources
Fit Method:
Comment:	A total site density commonly reported in SCMs (2.31 sites/nm2) was used. We applied a pKa that is most often reported in RES3T for this mineral (7.20) and assumed that the protonation constant is sufficiently low to have little impact on the surface charge properties of quartz.

1 data sets were retrieved