Mass spectra of sputtered polyoxymethylene - Implications for comets

Details Mass spectra of sputtered polyoxymethylene - Implications for comets Mass spectra of sputtered polyoxymethylene - Implications for comets

Dec 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990apj...365l..39m&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 365, Dec. 10, 1990, p. L39-L42.

Astronomy and Astrophysics

Astrophysics

7

Chemical Composition, Comets, Mass Spectra, Methyl Compounds, Absorption Spectra, Cosmochemistry, Formaldehyde, Giotto Mission, Infrared Spectra, Polymers

Scientific paper

Laboratory mass spectra of sputtered polyoxymethylene, POM, reveal a mass pattern similar to that detected by the PICCA experiment on board the Giotto spacecraft. Both commercially available POM and radiation-synthesized POM have been used in the studies. Synthesized POM was identified by its infrared absorption spectra after proton irradiation of H2CO condensed on silicate grains at 20 K. Laboratory results suggest that a similar type of sputtering is a possible mechanism for removing species from cometary grains.

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