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A molecular beam/quadrupole mass spectrometer system with synchronized beam modulation and digital waveform analysisA performance evaluation is conducted for a molecular beam/mass spectrometer (MB/MS) system, as applied to a 1-30 torr microwave-discharge flow reactor (MWFR) used in the formation of the methylperoxy radical and a study of its subsequent destruction in the presence or absence of NO(x). The modulated MB/MS system is four-staged and differentially pumped. The results obtained by the MWFR study is illustrative of overall system performance, including digital waveform analysis; significant improvements over previous designs are noted in attainable S/N ratio, detection limit, and accuracy.
Document ID
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Pellett, G. L.
(NASA Langley Research Center Hampton, VA, United States)
Adams, B. R.
(NASA Langley Research Center Hampton, VA, United States)
Date Acquired
August 16, 2013
Publication Date
May 1, 1983
Subject Category
Instrumentation And Photography
Meeting Information
Meeting: American Society for Mass Spectrometry, Annual Conference on Mass Spectrometry and Allied Topics
Location: Boston, MA
Country: United States
Start Date: May 8, 1983
End Date: May 13, 1983
Sponsors: American Society for Mass Spectrometry
Accession Number
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