‘Doubly charged ion’ mass spectra of some simple aromatic compounds
✍ Scribed by J. H. Beynon; A. Mathias; A. E. Williams
- Publisher
- John Wiley and Sons
- Year
- 1971
- Tongue
- English
- Weight
- 570 KB
- Volume
- 5
- Category
- Article
- ISSN
- 1076-5174
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## Abstract Doubly charged ion mass spectra have been obtained for 11 organophosphorus compounds. Methane has been used as a target gas to increase the probability of single electron transfer collisions in the first field‐free region of an Hitachi RMU‐7L mass spectrometer. In general, the spectra o
The mass spectra of biological molecules, whose molecular mass exceeds 10 kDa, invariably contain multiply charged ions. For example, a survey scan of a small protein will produce singly, doubly and triply protonated molecules, the intensity of the doubly charged species often being greater than tha