Statistics – Applications
Scientific paper
Nov 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010icar..210..480p&link_type=abstract
Icarus, Volume 210, Issue 1, p. 480-487.
Statistics
Applications
3
Scientific paper
The radiation chemistry, thermal stability, and vapor pressure of solid-phase carbonic acid (H2CO3) have been studied with mid-infrared spectroscopy. A new procedure for measuring this molecule’s radiation stability has been used to obtain intrinsic IR band strengths and half-lives for radiolytic destruction. We report, for the first time, measurements of carbonic acid’s vapor pressure (0.290-2.33 × 10-11 bar for 240-255 K) and its enthalpy of sublimation (71 ± 9 kJ mol-1). We also report the first observation of a chemical reaction involving solid-phase carbonic acid. Possible applications of these findings are discussed, with an emphasis on the outer Solar System icy surfaces.
Hudson Reggie L.
Lewis Ariel
Moore Marla H.
Peeters Zan
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