Binary homogeneous nucleation in water-succinic acid and water-glutaric acid systems.
Binary homogeneous nucleation of water-succinic acid and water-glutaric acid systems have been investigated. The numerical approach was based on the classical nucleation theory. Usually, nucleation is discussed in terms of kinetics, but the thermodynamics involved is undoubtedly equally important. In this paper we studied the above mentioned binary systems giving a quantitative insight into the nucleation process and a detailed consideration of the thermodynamics involved. Both diacids in study are in solid state at room temperature. They behave in environment according to their liquid state properties because of the absence of crystalline lattice energies, and therefore their subcooled liquid state thermodynamics have to be considered. The lack of consistent thermodynamic data for pure organic components and their aqueous solutions represent a high source of uncertainty. However, the present simulations indicate that in atmospheric conditions these binary systems will not form new particles.
Gaman
Anca I
AI
Department of Physical Sciences, Division of Atmospheric Sciences, University of Helsinki, P.O. Box 64, University of Helsinki, FIN-00014 Helsinki, Finland. anca.gaman@helsinki.fi
Kulmala
Markku
M
Vehkamäki
Hanna
H
Napari
Ismo
I
Mircea
Mihaela
M
Facchini
Maria C
MC
Laaksonen
Ari
A