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This web page's content and links are no longer actively maintained. It is available for reference purposes only. NASA Official: Dr. Paul Mahaffy

Gas Chromatograph Mass Spectrometer

The GCMS actually is two separate instruments combined: a gas chromatograph and a mass spectrometer. The combination makes it a very powerful scientific tool, and the instrument is the most complicated one the Atmospheric Experiment Branch has ever built. (Click here for an enlarged and easily printable graphic.)

Gas Chromatograph + Mass Spectrometer = GCMS!

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