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Instrument

P-CIMS
Peroxide Chemical Ionization Mass Spectrometer

The Peroxide Chemical Ionization Mass Spectrometer (P-CIMS) is an in situ airborne spectrometer manufactured by THS Instruments LLC. It is a modified CIMS instrument that operates in negative ion mode to measure gas phase peroxide species such as hydrogen peroxide (H2O2) and acetic acid (CH3COOH). It has a detection limit for H2O2 and CH3COOH of 11 and 10 ppt, respectively. P-CIMS provides measurements at a rate of 10 Hz.

NASA's DC-8 flying laboratory passes Antarctica's tallest peak, Mount Vinson, on Oct. 22, 2012, during a flight over the continent to measure changes in the massive ice sheet and sea ice. Credit: NASA/Michael Studinger (Photography courtesy NASA Images)

Instrument Details

Spectrometer/Radiometer
Earth Science > Atmosphere > Atmospheric Chemistry > Hydrogen Compounds
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Chemistry > Hydrogen Compounds > Hydroperoxy
Boundary Layer, Troposphere
10 Hz
Point
N/A
https://doi.org/10.1016/j.ijms.2017.11.015External Link
  • Daniel O'Sullivan, Brian Heikes, John Dykema

  • Daniel O'Sullivan

  • TLC Instruments LLC

  • NSF

  • Overview PublicationExternal Link

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