Give an advantage and a disadvantage of the spectra obtained from an electron impact (El) mass spectrometer? What is the base peak in an electron impact mass spectrum? Name one property of the positive fragment that gives rise to this signal?

Give an advantage and a disadvantage of the spectra obtained from an electron impact (El) mass spectrometer? What is the base peak in an electron impact mass spectrum? Name one property of the positive fragment that gives rise to this signal?

Organic Chemistry

8th Edition

ISBN:9781305580350

Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Publisher:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Chapter14: Mass Spectrometry

Section: Chapter Questions

Problem 14.38P

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Question

Give an advantage and a disadvantage of the spectra obtained from an electron impact (EI)
mass spectrometer?
What is the base peak in an electron impact mass spectrum? Name one property of the positive
fragment that gives rise to this signal?
Explain why the mass-to-charge ratio of ions in the El mass spectrometer are usually equal to the
masses of the ions

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