The Proton Transfer Mass Spectrometer (PTR-MS) is an in situ spectrometer used both on aircraft and ground, developed by the University of Innsbruck in Austria. It detects volatile organic compounds (VOCs) without the need for sample preparation at very low concentrations. PTR-MS employs chemical ionization mass spectrometry, enabling quick and highly sensitive VOC detection. It has a signal integration time ranging from 0.5 to 1 second.


Instrument Details
- Spectrometer/Radiometer
- Earth Science > Atmosphere > Air Quality > Volatile Organic CompoundsEarth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens > Methanol
- Troposphere
- 0.5-1 s
- Point
- N/A
- https://doi.org/10.1016/S1387-3806(02)00926-0
Armin Wisthaler
Armin Wisthaler
University of Innsbruck, Austria
Fonds zur Förderung der wissenschaftlichen Forschung, Gesellschaft für Strahlenforschung
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