Electron impact ionization mass spectrometry using field desorption activated emitters as solid sample probes
โ Scribed by Soltmann, Bernd.; Sweeley, Charles C.; Holland, John F.
- Book ID
- 127352189
- Publisher
- American Chemical Society
- Year
- 1977
- Tongue
- English
- Weight
- 395 KB
- Volume
- 49
- Category
- Article
- ISSN
- 0003-2700
No coin nor oath required. For personal study only.
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## Abstract Although being an atmospheric pressure ion source, electrospray ionization (ESI) has rarely been used directly for ambient imaging mass spectrometry because the sample has to be introduced as liquid solution through the capillary. Instead of capillary, probe electrospray ionization (PES
Four-sector tandem mass spectra of the molecular and quasi-molecular ions of the cyclic depsipeptide valinomycin (RMM 1110.6) were compared. Electron impact (EI), chemical ionization (CI), fast atom bombardment (FAB), field desorption (FD) and electrospray ionization were used to create M", (M + HI'