Surface tension, interfacial tension |
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Surface tension of phase in contact with equilibrium vapour or a dilute gas phase |
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,
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Interfacial tension between phases and  |
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,
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Dynamic surface (or interfacial) tension |
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,
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Static surface (or interfacial) tension |
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,
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Surface tension of clean surface |
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,
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Work of adhesion per unit area (between phases and , that
were previously in contact with phase )
(
) |
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,
, |
Work of separation per unit area |
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Work of cohesion of pure substance per unit area
(
) |
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Spreading tension of phase on phase , both previously in contact with phase
(
) |
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,
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Work of spreading per unit area
(
) |
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Initial spreading tension |
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Final spreading tension |
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Surface (or interfacial) pressure
(
) |
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Contact angle |
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Advancing contact angle |
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Receding contact angle |
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Equilibrium contact angle |
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Work of immersional wetting per unit area (= wetting tension)
(
) |
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,
, |
Surface (excess) shear viscosity |
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Surface (excess) fluidity
(
) |
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Surface excess energy (referred to Gibbs surface) |
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Surface excess energy per unit area
(
) |
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Surface excess entropy (and per unit area) |
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Surface excess Helmholtz energy (and per unit area) |
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Surface excess enthalpy
(
) (and per unit area) |
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Surface excess Gibbs energy
(
)
(and per unit area) |
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Relative (excess) surface energy (with respect to component 1) |
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Reduced (excess) surface energy |
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Relative (excess) surface entropy, Helmholtz energy, enthalpy, Gibbs energy |
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,
,
,
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Reduced (excess) surface entropy, Helmholtz energy, enthalpy, Gibbs energy |
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,
,
,
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Interfacial energy (of interfacial layer) |
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Interfacial energy per unit area ( ) |
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Interfacial entropy (and per unit area) |
| ( ) |
Interfacial Helmholtz energy (or interfacial free energy) (and per unit area) |
| ( ) |
Interfacial enthalpy ( -enthalpy) (
) |
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Interfacial enthalpy (
-enthalpy) |
| ( ) |
(
) (and per unit area) |
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Interfacial enthalpy (
-enthalpy) |
| ( ) |
(
) (and per unit area) |
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Interfacial Gibbs energy ( -Gibbs energy) |
|
|
(
) |
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Interfacial Gibbs energy (
-Gibbs energy) |
| ( ) |
(
) (and per unit area) |
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Interfacial Gibbs energy (
-Gibbs energy) |
| ( ) |
(
) (and per unit area) |
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Surface chemical potential, relating to Gibbs surface |
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Surface chemical potential, relating to interfacial layer |
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Differential molar energy of adsorption |
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(
) |
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Differential molar energy of adsorption |
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(
) |
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Differential molar enthalpy of adsorption (or isosteric enthalpy of adsorption) |
|
,
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(
) |
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Differential molar enthalpy of adsorption (or isosteric enthalpy of adsorption) |
|
,
 |
(
) |
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Molar integral energy of adsorption
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Molar integral enthalpy of adsorption
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Standard Gibbs energy of adsorption (
) |
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Standard differential molar entropy of adsorption |
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![$ [=\frac{1}{T}({\Delta}_aH_i^{\ominus}-{\Delta}_a{\mu}_i^{\ominus})]$](img565.png) |
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Standard integral molar entropy of adsorption
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Standard differential molar enthalpy of adsorption |
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Enthalpy of wetting or enthalpy of immersion |
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Enthalpy of wetting per unit mass of the solid |
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