File:Ptr mass spectrum of lab air.png
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[edit]DescriptionPtr mass spectrum of lab air.png |
English: A typical PTR-MS mass spectrum of lab air obtained using a TOF based instrument (PTR-TOF 8000; IONICON Analytik, AUSTRIA) |
Date | |
Source | Own work |
Author | Philipp Sulzer (IONICON Analytik GmbH.) |
The peaks on masses 19, 37 and 55 m/z (and their isotopes) represent the reagent ions (H3O+) and their clusters. On 30 and 32 m/z NO+ and O2+, which are both impurities originating from the ion source, appear. All other peaks correspond to the multitude of compounds present in typical laboratory air (e.g. protonated acetone on 59 m/z).
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