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Electron ionization
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Electron ionization is an ionization method in which energetic electrons interact with solid or gas phase atoms or molecules to produce ions. EI was one of the first ionization techniques developed fo
Arthur J. Dempster
Arthur J. Dempster
Mass spectrometry
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Mass spectrometry is an analytical technique that is used to measure the mass-to-charge ratio of ions. The results are presented as a mass spectrum, a plot of intensity as a function of the mass-to-ch
Electron ionization
…energetic electrons interact with solid or gas phase atoms or molecules to produce ions. EI was one of the first ionization techniques developed for mass spectrometry. However, this method is still a popular ionization technique. This technique is considered a hard (high fragmentation) ionization method, since it…
Discovery of neon isotopes
Discovery of neon isotopes
Replica of F.W. Aston's third mass spectrometer
Replica of F.W. Aston's third mass spectrometer
Calutron mass spectrometers were used in the Manhattan Project for uranium enrichment.
Calutron mass spectrometers were used in the Manhattan Project for uranium enrichment.
Surface ionization source at the Argonne National Laboratory linear accelerator
Surface ionization source at the Argonne National Laboratory linear accelerator