Soluble-insoluble transition in binary heterogeneous nucleation - art. no.225703

Citation
D. Petersen et al., Soluble-insoluble transition in binary heterogeneous nucleation - art. no.225703, PHYS REV L, 8722(22), 2001, pp. 5703
Citations number
12
Language
INGLESE
art.tipo
Article
Categorie Soggetti
Physics
Journal title
PHYSICAL REVIEW LETTERS
ISSN journal
0031-9007 → ACNP
Volume
8722
Issue
22
Year of publication
2001
Database
ISI
SICI code
0031-9007(20011126)8722:22<5703:STIBHN>2.0.ZU;2-3
Abstract
In this Letter, we report the first experimental study of binary heterogene ous gas-liquid nucleation. Onset activities were obtained for nucleation of various n-propanol-water vapor mixtures on 6.9 mn NaCl particles soluble i n water and practically insoluble in n-propanol. The Fletcher theory of vap or nucleation on insoluble particles provided a reasonable approximation fo r n-propanol rich mixtures only, whereas the Kohler theory of activation of soluble particles worked only for water rich mixtures. A new theory was fo rmulated providing a satisfactory description of the transition from activa tion of soluble particles to vapor nucleation on insoluble particles.