Proton-Transfer-Reaction/Ion-Mobility-Spectrometer (PTR-IMS) (NPO-21187)
A small, portable detector with high sensitivity suitable for detection of trace amounts of organic compounds, PTR-IMS does not suffer from problems associated with commonly used gas chromatography/mass spectrometry-based instruments (GC/MS) such as limited sensitivity, fragmentation of large organic species and high vacuum requirements. This instrument, which is lightweight and consumes low power, would be an important part of future in-situ investigations on planetary bodies. Use as an air quality detector aboard the space station will also be explored.
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