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Difference between revisions of "Solubility"

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{{MitoPedia
{{MitoPedia
|abbr=''S''G
|abbr=''S''<sub>G</sub>
|description=The '''solubility''' of a gas, ''S''G, is defined as concentration divided by partial pressure, SG = cG·pG-1.
|description=The '''solubility''' of a gas, ''S''<sub>G</sub>, is defined as concentration divided by partial pressure, ''S''<sub>G</sub> = ''c''<sub>G</sub>·''p''<sub>G</sub><sup>-1</sup>.
|info=[[Hitchman 1983 POS Membrane]]
|info=[[Hitchman 1983 POS Membrane |Hitchman and Gnaiger 1983]]
}}
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:::: The solubility of a gas ([[Hitchman 1983 POS Membrane |Hitchman and Gnaiger 1983]]) — sometimes called the 'solubility coefficient' — is related to the classical Bunsen absorption coefficient, ''α'' (see [[Forstner 1983 POS |Forstner and Gnaiger 1983]]). ''S''<sub>G</sub> has the dimension of molar amount of the gas per volume of the solution per partial pressure of the gas, ''α'' has the dimension of volume of the gas ([[STPD]]) per volume of the solution per partial pressure of the gas.
:::: The inverse of ''S''<sub>G</sub> is related to the activity coefficient (concentration basis) of the gas (see [[Activity]]),
''γ''<sub>B</sub> = ''S''<sub>G</sub><sup>-1</sup>·''c''°/''p''°
{{Keywords: Concentration and pressure}}
== References ==
::::# Forstner H, Gnaiger E (1983) Calculation of equilibrium oxygen concentration. In: Polarographic Oxygen Sensors. Aquatic and Physiological Applications. Gnaiger E, Forstner H (eds), Springer, Berlin, Heidelberg, New York:321-33. - [[Forstner 1983 POS |»Bioblast link«]]
::::# Hitchman ML, Gnaiger E (1983) A thermodynamic consideration of permeability coefficients of membranes. In: Polarographic Oxygen Sensors. Aquatic and Physiological Applications. Gnaiger E, Forstner H (eds), Springer, Berlin, Heidelberg, New York:31-6. - [[Hitchman 1983 POS Membrane |»Bioblast link«]]
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|mitopedia concept=MiP concept, Ergodynamics
|mitopedia concept=MiP concept, Ergodynamics
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Latest revision as of 22:33, 16 February 2020


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Solubility

Description

The solubility of a gas, SG, is defined as concentration divided by partial pressure, SG = cG·pG-1.

Abbreviation: SG

Reference: Hitchman and Gnaiger 1983

The solubility of a gas (Hitchman and Gnaiger 1983) — sometimes called the 'solubility coefficient' — is related to the classical Bunsen absorption coefficient, α (see Forstner and Gnaiger 1983). SG has the dimension of molar amount of the gas per volume of the solution per partial pressure of the gas, α has the dimension of volume of the gas (STPD) per volume of the solution per partial pressure of the gas.
The inverse of SG is related to the activity coefficient (concentration basis) of the gas (see Activity),
γB = SG-1·c°/p°


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References

  1. Forstner H, Gnaiger E (1983) Calculation of equilibrium oxygen concentration. In: Polarographic Oxygen Sensors. Aquatic and Physiological Applications. Gnaiger E, Forstner H (eds), Springer, Berlin, Heidelberg, New York:321-33. - »Bioblast link«
  2. Hitchman ML, Gnaiger E (1983) A thermodynamic consideration of permeability coefficients of membranes. In: Polarographic Oxygen Sensors. Aquatic and Physiological Applications. Gnaiger E, Forstner H (eds), Springer, Berlin, Heidelberg, New York:31-6. - »Bioblast link«


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