Thermodynamic properties of aqueous aerosols to high supersaturation: Ii—a model of the system na+−cl−−no− 3−so2− 4−h2o at 298.15 k

Simon L. Clegg; Peter Brimblecombe; Zheng Liang; Chak K. Chan

doi:10.1080/02786829708965478

Thermodynamic properties of aqueous aerosols to high supersaturation: Ii—a model of the system na+−cl−−no− 3−so2− 4−h2o at 298.15 k

Simon L. Clegg, Peter Brimblecombe, Zheng Liang, Chak K. Chan

Research output: Contribution to journal › Article › peer-review

46 Scopus citations

Abstract

A mole-fraction-based thermodynamic model is used to represent available activity data, salt solubilities, and electrodynamic balance measurements for aqueous NaCl, Na2SO4, NaNO3 and their mixtures at 298.15 K. The results are presented as fitted ion-interaction parameters and equilibrium constants. These enable ion and solvent activities, and saturation with respect to five possible solid phases (NaCl, NaNO3, Na2SO4·10H2O, Na2SO4, and NaNO3·Na2SO4·H2O) to be calculated for all mixture compositions to relative humidities of ≤60%, and to high degrees of supersaturation with respect to the dissolved salts. Extension of the model to other systems is discussed. © 1997 American Association for Aerosol Research.

Original language	English (US)
Pages (from-to)	345-366
Number of pages	22
Journal	Aerosol Science and Technology
Volume	27
Issue number	3
DOIs	https://doi.org/10.1080/02786829708965478
State	Published - Sep 1 1997
Externally published	Yes

ASJC Scopus subject areas

Environmental Chemistry
General Materials Science
Pollution

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title = "Thermodynamic properties of aqueous aerosols to high supersaturation: Ii—a model of the system na+−cl−−no− 3−so2− 4−h2o at 298.15 k",

abstract = "A mole-fraction-based thermodynamic model is used to represent available activity data, salt solubilities, and electrodynamic balance measurements for aqueous NaCl, Na2SO4, NaNO3 and their mixtures at 298.15 K. The results are presented as fitted ion-interaction parameters and equilibrium constants. These enable ion and solvent activities, and saturation with respect to five possible solid phases (NaCl, NaNO3, Na2SO4·10H2O, Na2SO4, and NaNO3·Na2SO4·H2O) to be calculated for all mixture compositions to relative humidities of ≤60%, and to high degrees of supersaturation with respect to the dissolved salts. Extension of the model to other systems is discussed. {\textcopyright} 1997 American Association for Aerosol Research.",

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AU - Clegg, Simon L.

AU - Brimblecombe, Peter

AU - Liang, Zheng

AU - Chan, Chak K.

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N2 - A mole-fraction-based thermodynamic model is used to represent available activity data, salt solubilities, and electrodynamic balance measurements for aqueous NaCl, Na2SO4, NaNO3 and their mixtures at 298.15 K. The results are presented as fitted ion-interaction parameters and equilibrium constants. These enable ion and solvent activities, and saturation with respect to five possible solid phases (NaCl, NaNO3, Na2SO4·10H2O, Na2SO4, and NaNO3·Na2SO4·H2O) to be calculated for all mixture compositions to relative humidities of ≤60%, and to high degrees of supersaturation with respect to the dissolved salts. Extension of the model to other systems is discussed. © 1997 American Association for Aerosol Research.

AB - A mole-fraction-based thermodynamic model is used to represent available activity data, salt solubilities, and electrodynamic balance measurements for aqueous NaCl, Na2SO4, NaNO3 and their mixtures at 298.15 K. The results are presented as fitted ion-interaction parameters and equilibrium constants. These enable ion and solvent activities, and saturation with respect to five possible solid phases (NaCl, NaNO3, Na2SO4·10H2O, Na2SO4, and NaNO3·Na2SO4·H2O) to be calculated for all mixture compositions to relative humidities of ≤60%, and to high degrees of supersaturation with respect to the dissolved salts. Extension of the model to other systems is discussed. © 1997 American Association for Aerosol Research.

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Thermodynamic properties of aqueous aerosols to high supersaturation: Ii—a model of the system na+−cl−−no− 3−so2− 4−h2o at 298.15 k

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