Real-time particle analysis of explosives compounds using single-particle mass spectrometry

Heinrich Ruser; Julian Schade; Seongho Jeong; Max Mörtel; Mario Adelhardt; Thomas Adam

doi:10.1117/12.3017532

7 June 2024 Real-time particle analysis of explosives compounds using single-particle mass spectrometry

Heinrich Ruser, Julian Schade, Seongho Jeong, Max Mörtel, Mario Adelhardt, Thomas Adam

Proceedings Volume 13026, Next-Generation Spectroscopic Technologies XVI; 130260J (2024) https://doi.org/10.1117/12.3017532
Event: SPIE Defense + Commercial Sensing, 2024, National Harbor, Maryland, United States

Abstract

The detection of trace amounts of hazardous agents has become crucial for protection of human life, infrastructure and the environment. Single-particle mass spectrometry (SPMS) has proven to be a sensitive measurement technique for instantly revealing the chemical composition of individual, potentially harmful aerosol and dust particles. In this study, we focus on profiling non-volatile particles of explosive compounds in powdered form. It is reported, how the unique SPMS technology, based on (1) particle velocimetry and sizing, (2) sophisticated laser ionization and (3) bipolar time-of-flight mass spectrometry (TOF-MS) has been tailored and applied for the detection of individual particles of common explosive substances in the micro- and nanometer range. Out of more than 30 different types of military and home-made explosives, which were investigated in our recent laboratory measurements, the mass spectra of 12 commonly used explosives compounds are examined. Steps are described for automated and reliable identification of characteristic spectral markers of each of the explosives in their respective mass spectra.

Conference Presentation

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Heinrich Ruser, Julian Schade, Seongho Jeong, Max Mörtel, Mario Adelhardt, and Thomas Adam "Real-time particle analysis of explosives compounds using single-particle mass spectrometry", Proc. SPIE 13026, Next-Generation Spectroscopic Technologies XVI, 130260J (7 June 2024); https://doi.org/10.1117/12.3017532

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