Journal
ICARUS
Volume 220, Issue 2, Pages 427-434Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.icarus.2012.05.021
Keywords
Origin, Solar System; Comets, Composition; Ices, IR spectroscopy; Spectroscopy
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Funding
- French INSU-CNRS
- interdisciplinary program EPOV
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Clathrate hydrates may affect the stability and evolution of volatile species in comets and planets. Among abundant volatiles species, hydrogen sulfide forms one of the most stable clathrate hydrate and may play a major role in the initiation of the clathration process, as well as significantly affect the fraction of each volatiles species encaged in the clathrate structure with respect to the initial gaseous reservoir. In this study we investigate the hydrogen sulfide clathrate hydrate infrared signatures. Several pure and co-mixed hydrogen sulfide clathrate hydrates are produced and analyzed by infrared spectroscopy. The H2S clathrate hydrate specific vibrational transitions are recorded for an potential future search in planetary science and astrophysics, and its role as a clathrate hydrate promoter addressed. (C) 2012 Elsevier Inc. All rights reserved.
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