A mass spectrometer-beam experiment for investigations of planetary atmospheres

Details A mass spectrometer-beam experiment for investigations of planetary atmospheres A mass spectrometer-beam experiment for investigations of planetary atmospheres

Dec 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977ssi.....3..465m&link_type=abstract

Space Science Instrumentation, vol. 3, Dec. 1977, p. 465-471.

Computer Science

Atmospheric Composition, Atmospheric Pressure, Gas Analysis, Mass Spectrometers, Molecular Beams, Planetary Atmospheres, Carbon Dioxide, Gas Mixtures, Ion Pumps

Scientific paper

An experimental concept for investigation of planetary atmospheres using a mass spectrometer is discussed. High atmospheric pressures are reduced to mass spectrometer operating pressures by means of differential pumping. Sampling is accomplished through the formation of a molecular beam. A flag in front of the mass spectrometer can be used to separate ambient gases from system background. Laboratory tests have confirmed the feasibility of the experiment, particularly in CO2 dominated atmospheres.

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