NASA Logo

NTRS

NTRS - NASA Technical Reports Server

Back to Results
The condensation and vaporization behavior of ices containing SO2, H2S, and CO2: Implications for IoIn an extension of previously reported work on ices containing CO, CO2, H2O, CH3OH, NH3, and H2, measurements of the physical and infrared spectral properties of ices containing molecules relevant to Jupiter's moon Io are presented. These include studies on ice systems containing SO2, H2S, and CO2. The condensation and sublimation behaviors of each ice system and surface binding energies of their components are discussed. The surface binding energies can be used to calculate the residence times of the molecules on a surface as a function of temperature and thus represent important parameters for any calculation that attempts to model the transport of these molecules on Io's surface. The derived values indicate that SO2 frosts on Io are likely to anneal rapidly, resulting in less fluffy, 'glassy' ices and that H2S can be trapped in the SO2 ices of Io during night-time hours provided that SO2 deposition rates are on the order of 5 micrometers/hr or larger.
Document ID
19950028540
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Sandford, Scott A.
(NASA Ames Research Center Moffett Field, CA, United States)
Allamandola, Louis J.
(NASA Ames Research Center Moffett Field, CA, United States)
Date Acquired
August 16, 2013
Publication Date
January 1, 1993
Publication Information
Publication: Icarus: International Journal of Solar System Studies
ISSN: 0019-1035
Subject Category
Inorganic And Physical Chemistry
Accession Number
95A60139
Funding Number(s)
PROJECT: RTOP 452-33-93-03
PROJECT: RTOP 199-52-12-04
Distribution Limits
Public
Copyright
Other

Available Downloads

There are no available downloads for this record.
No Preview Available