Characterization of Nitrogen-Containing Species in Coal and Petroleum-Derived Products by Ammonia Chemical Ionization-High Resolution Mass Spectrometry
- Pittsburgh Energy Technology Center, Pittsburgh, PA (United States)
A coal-derived light distillate and a petroleum-derived residuum have been studied by high resolution mass spectrometry using both low-pressure ammonia chemical ionization and low-voltage electron impact ionization. A mass calibration mixture for use with ammonia chemical ionization has been developed. Selective ionization of the basic nitrogen-containing compounds by ammonia chemical ionization and compound type characterization of the resulting quasi-molecular species has been demonstrated. Several homologous series of nitrogen-containing compounds were identified in a basic extract by electron impact ionization and compared with quasimolecular analogs identified by ammonia chemical ionization.
- Research Organization:
- Pittsburgh Energy Technology Center, Pittsburgh, PA (United States)
- Sponsoring Organization:
- USDOE
- OSTI ID:
- 16454
- Report Number(s):
- DOE/PC/9701-T; ON: DE98051397; CNN: 9701r01.pdf
- Country of Publication:
- United States
- Language:
- English
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