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Proceedings Paper

Resonance-enhanced multiphoton ionization of aromatic polymers in supersonic beam/mass spectrometry
Author(s): David A. Lustig; David M. Lubman
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Paper Abstract

A two-step laser vaporization/laser multiphoton ionization method is used to analyze and detect polymers. In this method a pulsed CO2 laser is used to vaporize the polymer for supersonic jet entrainment and then a second (UV) laser ionizes the desorbed species. The resulting ions are analyzed in a reflection time-of-flight (TOF) mass spectrometer. The challenges here include selectively detecting an aromatic polymer in a polymer blend and studying molecular weight distributions.

Paper Details

Date Published: 1 July 1990
PDF: 5 pages
Proc. SPIE 1208, Laser Photoionization and Desorption Surface Analysis Techniques, (1 July 1990); doi: 10.1117/12.17882
Show Author Affiliations
David A. Lustig, Univ. of Michigan (United States)
David M. Lubman, Univ. of Michigan (United States)

Published in SPIE Proceedings Vol. 1208:
Laser Photoionization and Desorption Surface Analysis Techniques
Nicholas S. Nogar, Editor(s)

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