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Miniature triaxial metastable ionization detector for gas chromatographic trace analysis of extraterrestrial volatilesThe present investigation is concerned with a miniature metastable ionization detector featuring an unconventional electrode configuration, whose performance characteristics parallel those of traditional design. The ionization detector is to be incorporated in a flight gas chromatograph (GC) for use in the Space Shuttle. The design of the detector is discussed, taking into account studies which verified the sensitivity of the detector. The triaxial design of the detector is compared with a flat-plate style. The obtained results show that the principal goal of developing a miniature, highly sensitive ionization detector for flight applications was achieved. Improved fabrication techniques will utilize glass-to-metal seals and brazing procedures.
Document ID
19840058209
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Woeller, F. H.
(NASA Ames Research Center Moffett Field, CA, United States)
Kojiro, D. R.
(NASA Ames Research Center Moffett Field, CA, United States)
Carle, G. C.
(NASA Ames Research Center Solar System Exploration Office, Moffett Field, CA, United States)
Date Acquired
August 12, 2013
Publication Date
April 1, 1984
Publication Information
Publication: Analytical Chemistry
Volume: 56
Issue: 4, Ap
ISSN: 0003-2700
Subject Category
Inorganic And Physical Chemistry
Accession Number
84A40996
Distribution Limits
Public
Copyright
Other

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