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Formation of doubly charged ions in field ionization mass spectra of para substituted acetophenones

✍ Scribed by A. I. Helal; Nagwa F. Zahran

Publisher
John Wiley and Sons
Year
1979
Tongue
English
Weight
159 KB
Volume
14
Category
Article
ISSN
1076-5174

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✦ Synopsis

he doubly charged [MI*+, [M+1I2+ and [M-O]'+ ions are observed in the field ionhtion mass spectra of para substituted acetophenones. "he effect of the type of the substituent on the formation of the doubly charged ions is described.

πŸ“œ SIMILAR VOLUMES

On the formation of doubly charged ions
On the formation of doubly charged ions in field ionization
✍ Peter J. Derrick πŸ“‚ Article πŸ“… 1975 πŸ› John Wiley and Sons 🌐 English βš– 178 KB

## Abstract The observation of doubly charged ions in field ionization with blade or wire emitters does not in itself indicate that high excitation energies (β‰₯ 17 eV) are accessible through gas phase ionization with such emitters.