Development of a mass spectrometer system for the measurement of inert gases in meteorites

Details Development of a mass spectrometer system for the measurement of inert gases in meteorites Development of a mass spectrometer system for the measurement of inert gases in meteorites

Sep 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983asee.nasa.....p&link_type=abstract

In NASA. Johnson (Lyndon B.) Space Center The 1983 NASA/ASEE Summer Faculty Fellowship Research Program Research Reports 9 p

Other

Gas Analysis, Mass Spectrometers, Meteorites, Meteoritic Composition, Computer Techniques, Focusing, Ion Beams, Krypton, Mass Spectroscopy, Xenon

Scientific paper

The study of the inert gases in meteorites has provided many clues as to the origin and evolution of the solar system. Particularly crucial and complex are the gases krypton and xenon. To accurately measure the isotopic compositions of these gases requires a mass spectrometer of high sensitivity and resolution. A previously unused and largely untested mass spectrometer system was brought to the point where it was ready for routine sample analyses. This involved, among other things, focusing the ion beam for optimal peak shape and sensitivity, documenting the instrument's response to a series of characteristic tests such as multplier gain checks, and interfacing the instrument to a computer to run the sample analyses. Following this testing and setting up, three iron meteorite samples were to be analyzed for argon, krypton, and xenon. The three samples were shown in prior work to possibly contain primordial heavy inert gases. Although these analyses have not yet been carried out, it is anticipated that they will be completed in the near future.

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