Surface tension, interfacial tension |
| , |
Surface tension of phase in contact with equilibrium vapour or a dilute gas phase |
|
,
|
Interfacial tension between phases and |
|
,
|
Dynamic surface (or interfacial) tension |
|
,
|
Static surface (or interfacial) tension |
|
,
|
Surface tension of clean surface |
|
,
|
Work of adhesion per unit area (between phases and , that
were previously in contact with phase )
(
) |
|
,
, |
Work of separation per unit area |
|
|
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
(
) |
|
,
|
Work of spreading per unit area
(
) |
|
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Initial spreading tension |
|
,
,
|
Final spreading tension |
|
,
,
|
Surface (or interfacial) pressure
(
) |
| , |
Contact angle |
| |
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)
(
) |
|
,
, |
Surface (excess) shear viscosity |
|
|
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) |
|
|
Relative (excess) surface energy (with respect to component 1) |
|
|
Reduced (excess) surface energy |
|
|
Relative (excess) surface entropy, Helmholtz energy, enthalpy, Gibbs energy |
|
,
,
,
|
Reduced (excess) surface entropy, Helmholtz energy, enthalpy, Gibbs energy |
|
,
,
,
|
Interfacial energy (of interfacial layer) |
| |
Interfacial energy per unit area ( ) |
| |
Interfacial entropy (and per unit area) |
| () |
Interfacial Helmholtz energy (or interfacial free energy) (and per unit area) |
| () |
Interfacial enthalpy (-enthalpy) (
) |
|
|
Interfacial enthalpy (
-enthalpy) |
| () |
(
) (and per unit area) |
| |
Interfacial enthalpy (
-enthalpy) |
| () |
(
) (and per unit area) |
| |
Interfacial Gibbs energy (-Gibbs energy) |
|
|
(
) |
| |
Interfacial Gibbs energy (
-Gibbs energy) |
| () |
(
) (and per unit area) |
| |
Interfacial Gibbs energy (
-Gibbs energy) |
| () |
(
) (and per unit area) |
| |
Surface chemical potential, relating to Gibbs surface |
|
|
Surface chemical potential, relating to interfacial layer |
| |
Differential molar energy of adsorption |
|
|
(
) |
| |
Differential molar energy of adsorption |
|
|
(
) |
| |
Differential molar enthalpy of adsorption (or isosteric enthalpy of adsorption) |
|
,
|
(
) |
| |
Differential molar enthalpy of adsorption (or isosteric enthalpy of adsorption) |
|
,
|
(
) |
| |
Molar integral energy of adsorption
|
|
|
Molar integral enthalpy of adsorption
|
|
|
Standard Gibbs energy of adsorption (
) |
|
|
Standard differential molar entropy of adsorption |
|
|
|
| |
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 |
|
,
, |
Enthalpy of wetting per unit mass of the solid |
| |