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  • Measuring Odors From Livestock Operations
    Chemist Dick Pfeiffer uses a gas chromatograph/mass spectrometer to analyze compounds in odors collected from a swine production facility. Complaints about nuisance livestock odor in rural areas have become a problem nationwide. Scientists for the U.S. Department of Agriculture's are working
  • Features and Applications of Newly-Developed GC-TOFMS
    A gas-chromatograph mass spectrometer (GC-MS) is a combined analyzer that has superior ability in analyzing organic compounds qualitatively and quantitatively. The first part, gas chromatograph, separates the compounds included in a sample (mixture), then the second part, mass spectrometer, obtains
  • Tracking an Attacker of Saltcedar
    leaves were collected for identification by a gas chromatograph-mass spectrometer. Compounds emitted by just one sex were considered likely to be pheromone components. Then, using a technique called "electroantennographic detection, " the researchers measured electrical stimulation triggered
  • Array of Equipment Used to Detect Contamination in Water
    municipality to have all four; it no longer participates in the monitoring network.None of the current local participants have more than two devices.None operates the Cadillac of detection devices, the gas chromatograph/mass spectrometer, or GC-MS, which is able to detect individual pollutants.A number
  • Realizing Chillers' Capabilities in Laboratories (.pdf)
    . Additionally, tap. consumption. Extremely cold liquid refrig-. gas chromatograph mass spectrometers. water may contain harmful particulates that. erant cools the recirculating fluid via a coil. (GC/MS) and electron microscopes need a. can build up in an instrument’s cooling. in the fluid reservoir
  • UA Scientist & Team Discover Surface Features Cover Titan
    chromatograph mass spectrometer. Hunten was on the original Cassini mission science definition team back in 1983. CONTACT. Peter H. Smith, (602) 621-2725;. Mark Lemmon, (602) 621-1485;. UA Lunar and Planetary Laboratory. Back to entire. collection Next. release Previous. release search | site map

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  • Clinical Applications of Mass Spectrometry
    Gas Chromatograph Mass Spectrometer (GCMS): Agilent 6890 GC and 5973 MS (Wilmington, DE) or Thermo-Fisher DSQ II (Austin, TX).
  • Titan from Cassini-Huygens
    Although Huygens landed on a dry plain, the Gas Chromatograph Mass Spectrometer (GCMS) showed evidence of methane moisture in the near subsurface suggesting methane precipi- tation at some time in the past.
  • Cassini at Saturn
    A sensor might have detected a radio burst from lightning, but there was no acoustic evidence of thunder.224 The Gas Chromatograph Mass Spectrometer took four samples, at 140, 85, 55 and 20 kilometres.225,226 In addition, the mass spectrometer subsystem...
  • The Huygens Probe: Science, Payload and Mission Overview
    The Gas Chromatograph Mass Spectrometer (GCMS) is designed to measure the chemical composition of Titan’s atmosphere from 170 km altitude (≈0.1 mbar) to the surface (≈1500 mbar) and determine the isotope ratios of the major gaseous constituents.
  • The Gas Chromatograph Mass Spectrometer for the Huygens Probe
    The Gas Chromatograph Mass Spectrometer for the Huygens Probe .
  • Strategies of Life Detection
    No atmospheric organics were reported by the Viking entry mass spectrometer at an altitude of approximately 135 km (Nier et al. 1976) or the Viking Gas Chromatograph Mass Spectrometer (Biemann et al. 1976) from the surface of Mars.
  • Deep Space Craft
    ...Fast Fourier transform FM Frequency modulation (or modulated) FRR Flight Readiness Review g Local gravitational constant G Universal gravitational constant g0 Standard Earth gravity, 9.80665m/s2 GaAs Gallium arsenide GC Gas chromatograph GCMS Gas chromatograph mass spectrom- eter Ge Germanium GEM Graphite...