Examination of a Theoretical Model of Streaming Potential Coupling Coefficient

Table 3

The parameters used in (5)–(12) of the model.

Parameter	Symbol	Value	Units
Temperature	𝑇	6 to 46	°C
Electrolyte concentration	𝐶𝑓	(0.4–50) × 10^−3	mol/L
Fluid pH	pH	6 to 8	(—)
Dielectric permittivity in vacuum	𝜖0	8.854×10^−12	F/m
Relative permittivity	𝜖𝑟	80	(—)
Boltzmann's constant	𝑘𝑏	1.381×10^−23	J/K
Elementary charge	e	1.602×10^−19	C
Avogadro's number	N	6.022×10^23	/mol
Ionic mobility of Na^+ in solution	𝛽Na+	5.20×10^−8	m^2/s/V
Ionic mobility of H^+ in solution	𝛽H+	3.63×10^−7	m^2/s/V
Ionic mobility of Cl^− in solution	𝛽Cl^−	7.90×10^−8	m^2/s/V
Ionic mobility of OH^− in solution	𝛽OH−	2.05×10^−7	m^2/s/V
Disassociation constant of water	𝐾𝑤 (22°C)	9.214×10^−15	(—)
Surface site density	Γ𝑠	10×10^18	Sites/m^2
Binding constant for sodium adsorption	𝐾𝑀𝑒	10^−7.5	(—)
Disassociation constant for dehydrogenization of silanol surface sites	𝐾(---)	10^−7.1	(—)
Proton surface conductance	𝑐Prot	(2.8–12) × 10^−28	Sm^2/site
Ionic Stern-plane mobility	𝛽𝑠	5.0×10^−9	m^2/s/V