One of the mysteries of the English language finally explained.
An apparatus for separating isotopes, molecules, and molecular fragments according to mass. The sample is vaporized and ionized, and the ions are accelerated in an electric field and deflected by a magnetic field into a curved trajectory that gives a distinctive mass spectrum.
- ‘The emitted isotopes are focussed through a mass spectrometer and measured.’
- ‘An onboard mass spectrometer will then measure the levels of the different isotopes given off at each stage of the baking process.’
- ‘Time-of-flight mass spectrometers measure the time it takes for each ion to reach the detector because heavier ions travel more slowly than lighter ions.’
- ‘The gas chromatograph separates the substances present, and then each substance is broken into molecular fragments by the mass spectrometer.’
- ‘It may even carry an instrument like a mass spectrometer to measure material ejected from impact.’
mass spectrometer/ˈˌmas ˌspekˈträmədər/
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