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mass spectrometry
(redirected from Mass spectrometers)

    Also found in: Dictionary/thesaurus, Medical, Wikipedia, Hutchinson 0.07 sec.

mass spectrometry

 or mass spectroscopy

Analytic technique by which chemical substances are identified by sorting gaseous ions by mass using electric and magnetic fields. A mass spectrometer uses electrical means to detect the sorted ions, while a mass spectrograph uses photographic or other nonelectrical means; either device is a mass spectroscope. The process is widely used to measure masses and relative abundances of different isotopes, to analyze products of a separation by liquid or gas chromatography, to test vacuum integrity in high-vacuum equipment, and to measure the geological age of minerals.



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Because of its high mass resolution, common interferences that can affect most mass spectrometers are said to be eliminated.
Mass spectrometer by Rubber World
The military also has reconnaissance vehicles with larger instruments, including mass spectrometers.
Danger detection: old and new sensors are aimed to protect troops and ... by Gorman, Jessica / Science News
Nonetheless, it was found that calibration of mass spectrometers was not performed correctly by several participants and that methods of data analysis differed widely with some participants reporting moments of the distribution that differed significantly from the mean.
INTERNATIONAL INTERLABORATORY TESTING ADVANCES MASS DISTRIBUTION ... by Journal of Research of the National Institute of Standards and Technology
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