Dissolution behavior and surface tension effects of organic compounds in nucleating cloud droplets | Zendy

Shulman Michelle L. | Zendy; Jacobson Michael C. | Zendy; Carlson Robert J. | Zendy; Synovec Robert E. | Zendy; Young Toby E. | Zendy

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Dissolution behavior and surface tension effects of organic compounds in nucleating cloud droplets

Author(s) -

Shulman Michelle L.,

Jacobson Michael C.,

Carlson Robert J.,

Synovec Robert E.,

Young Toby E.

Publication year - 1996

Publication title -

geophysical research letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.007

H-Index - 273

eISSN - 1944-8007

pISSN - 0094-8276

DOI - 10.1029/95gl03810

Subject(s) - supersaturation , dissolution , surface tension , aqueous solution , nucleation , chemical engineering , solubility , chemistry , materials science , thermodynamics , organic chemistry , physics , engineering

Solubilities and surface tensions were measured for difunctional organic acids in various concentrations of (NH 4 ) 2 SO 4 and NH 4 HSO 4 aqueous solutions. Model results using these data indicate that the organic compounds affect cloud droplet growth by two mechanisms: by gradual dissolution in the growing droplet which affects the shape of the Köhler growth curve, and by lowering of surface tension which decreases the critical supersaturation.

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