Invention of the Mass Spectrometer

Joseph John Thomson invented the mass spectrometer or parabola spectrograph in Cambridge, England in 1913. The machine identified chemical substance samples by ionizing and sorting in a magnetic field. Francis William Aston invented a similar device, the mass spectrograph in 1919.

      1913, 1919
      Joseph John Thomson
      Cambridge, England

Additional Information:

  • Mass Spectrometer
    The mass spectrometer was invented by F. W. Aston shortly after World War I. By 1927 Aston had built an instrument that was accurate to more than 1 part in 10,000, and mass spectrometry became the method of choice for measuring the relative mass of an atom or molecule.
  • History of mass spectrometry – Wikipedia
    The history of mass spectrometry has its roots in physical and chemical studies regarding the nature of matter. The study of gas discharges in the mid 19th …
  • A Brief History of Mass Spectrometry – ACS Publications – American …
    Jul 31, 2008 – in the petroleum industry were using the mass spectrometer to measure the … was “invented” while its discoverer, J. J. Thomson, was looking.
  • Mass spectrometry |
    The instruments used in such studies are called mass spectrometers and mass … History. The foundation of mass spectroscopy was laid in 1898, when Wilhelm …
  • History of Mass Spectrometry
    Since its beginnings about 100 years ago, mass spectrometry (MS) has … The history of MS began with Sir J. J. Thomson of the Cavendish Laboratory of the …

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