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ELECTROCHEMICAL METHODS Fundamentals and Applications - Allen.J.Bard

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Major Symbols<br />

xvii<br />

Symbol Meaning Usual Units<br />

Section<br />

References<br />

П<br />

Д<br />

8<br />

A<br />

A<br />

surface excess of species j at saturation<br />

(a) surface tension<br />

(b) dimensionless parameter used to define<br />

frequency (time) regimes in step<br />

experiments at spherical electrodes<br />

activity coefficient for species у<br />

ellipsometric parameter<br />

r 0<br />

(s/D o<br />

) l/2 , used to define diffusional<br />

regimes at a spherical electrode<br />

"diffusion" layer thickness for species у at<br />

an electrode fed by convective transfer<br />

(a) dielectric constant<br />

(b) optical-frequency dielectric constant<br />

(c) porosity<br />

complex optical-frequency dielectric<br />

constant<br />

molar absorptivity of species у<br />

permittivity of free space<br />

zeta potential<br />

overpotential, E — E eq<br />

charge-transfer overpotential<br />

viscosity of fluid у<br />

mass-transfer overpotential<br />

fractional coverage of an interface by<br />

species у<br />

(a) conductivity of a solution<br />

(b) transmission coefficient of a reaction<br />

(c) r 0<br />

kf/D o<br />

, used to define kinetic regimes<br />

at a spherical electrode<br />

(d) double-layer thickness parameter<br />

(e) partition coefficient for the primary<br />

reactant in a modified electrode system<br />

electronic transmission coefficient<br />

equivalent conductivity of a solution<br />

(a) reorganization energy for electron<br />

transfer<br />

(b) £fr 1/2 (l + £0)/£>o 2<br />

(c) dimensionless homogeneous kinetic<br />

parameter, specific to a method <strong>and</strong><br />

mechanism<br />

(d) switching time in CV<br />

(e) wavelength of light in vacuo<br />

inner component of the reorganization<br />

energy<br />

equivalent ionic conductivity for ion у<br />

equivalent ionic conductivity of ion у<br />

extrapolated to infinite dilution<br />

mol/cm 2<br />

dyne/cm<br />

none<br />

none<br />

none<br />

none<br />

none<br />

none<br />

none<br />

none<br />

mV<br />

V<br />

V<br />

gem'<br />

V<br />

none<br />

s 1/2<br />

none<br />

13.5.2<br />

5.4.2, 5.5.2<br />

2.1.5<br />

17.1.2<br />

5.5.2<br />

1.4.2,9.3.2<br />

13.3.1<br />

17.1.2<br />

11.6.2<br />

17.1.2<br />

M" 1 cm" 17.1.1<br />

]<br />

m" 2 13.3.1<br />

9.8.1<br />

1.3.2,3.4.2<br />

1.3.3, 3.4.6<br />

"V 1 = poise 9.2.2<br />

1.3.3, 3.4.6<br />

5.4.1<br />

5.8.2<br />

13.5.2<br />

= fl" 1 -i<br />

3.1.3<br />

none<br />

cm 2 fl" 1 equiv" 1 2.3.3<br />

none<br />

cm" 1<br />

none<br />

none<br />

cm 2 !!" 1<br />

equiv " 1<br />

5.5.2<br />

13.3.2<br />

14.4.2<br />

3.6<br />

2.3.3<br />

eV<br />

none<br />

none<br />

s<br />

nm<br />

eV<br />

3.6<br />

5.5.1<br />

12.3<br />

6.5<br />

17.1.2<br />

3.6.2<br />

cm 2 II 1 equiv ]<br />

2.3.3

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