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Beussman DJ, Erickson TA, Enke CG. 193-nm Photodissociation of ions from saturated and unsaturated aliphatic molecules. J Am Soc Mass Spectrom. 1996;7(1):114-7doi: 10.1016/1044-0305(95)00646-X.
Beussman, D. J., Erickson, T. A., & Enke, C. G. (1996). 193-nm Photodissociation of ions from saturated and unsaturated aliphatic molecules. Journal of the American Society for Mass Spectrometry, 7(1), 114-7. https://doi.org/10.1016/1044-0305(95)00646-X
Beussman, D J, et al. "193-nm Photodissociation of ions from saturated and unsaturated aliphatic molecules." Journal of the American Society for Mass Spectrometry vol. 7,1 (1996): 114-7. doi: https://doi.org/10.1016/1044-0305(95)00646-X
Beussman DJ, Erickson TA, Enke CG. 193-nm Photodissociation of ions from saturated and unsaturated aliphatic molecules. J Am Soc Mass Spectrom. 1996 Jan;7(1):114-7. doi: 10.1016/1044-0305(95)00646-X. PMID: 24202802.
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J Am Soc Mass Spectrom. 1996 Jan;7(1):114-7. doi: 10.1016/1044-0305(95)00646-X.

193-nm Photodissociation of ions from saturated and unsaturated aliphatic molecules.

Journal of the American Society for Mass Spectrometry

D J Beussman, T A Erickson, C G Enke

Affiliations

  1. Department of Chemistry, University of New Mexico, 103 Clark Hall, 87131, Albuquerque, NM.

PMID: 24202802 DOI: 10.1016/1044-0305(95)00646-X

Abstract

To determine the analytical utility of photodissociation as a general fragmentation technique for tandem mass spectrometry of organic ions, the ability to fragment those ions considered least likely to absorb photons efficiently was investigated. To this end, the ability to photodissociate ions of aliphatic compounds by using 193-nm photons has been studied. Three fragment ions, the C4H 9 (+) ion from n-hexane, the C4H 7 (+) ion from 2-hexene, and C4H 5 (+) from 2-hexyne, have been photodissociated. The fragmentation efficiencies for all three ions studied were between 25 and 45%. The photofragment ion spectrum for each precursor ion studied is made up of characteristic fragments. These spectra demonstrate the ability to photodissociate aliphatic ions that originate from both saturated and unsaturated molecules. This provides substantial hope that virtually all organic ions will be able to be photodissociated by using 193-nm photons.

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