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.
Joseph John Thomson
- 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 | Britannica.com
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 …