Mass (mass spectrometry)

（重定向自Exact mass）

J. J. Thomson discovered the isotopes of neon using mass spectrometry.

Theoretical isotope distribution for the molecular ion of caffeine

Theoretical isotope distribution for the molecular ion of glucagon (C153H224N42O50S)

Francis William Aston won the 1922 Nobel Prize in Chemistry for his discovery, by means of his mass spectrograph, of isotopes, in a large number of non-radioactive elements, and for his enunciation of the whole number rule.[17][18]

The mass recorded by a mass spectrometer can refer to different physical quantities depending on the characteristics of the instrument and the manner in which the mass spectrum is displayed.

单词	Exact mass
释义	Exact mass 英语百科 Mass (mass spectrometry) （重定向自Exact mass） The mass recorded by a mass spectrometer can refer to different physical quantities depending on the characteristics of the instrument and the manner in which the mass spectrum is displayed.
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