BRAINCAKETime of Flight Mass Spectrometer
There are different types of mass spectrometer. The time-of-flight mass spectrometer works on the principle that ions can be separated by mass and charge.
The sample is placed in the mass spectrometer and vaporised
The vaporised sample is ionised to form positive ions.
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Key terms in this lesson
- Isotopes
- Atoms of the same element with the same number of protons but different numbers of neutrons.
- Mass spectrometer
- An instrument used to measure the percentage abundances of isotopes in a sample of an element, from which relative atomic mass can be calculated.
More in Atomic Structure
- Isotopes of Carbon
- Electrons
- Electron Shells
- The Mass Spectrometer
- Mass Spectra of Elements
- Low Resolution Mass Spectrometry
- Mass Spectrometer in Space
- Quantum Mechanics
All 22 lessons in Atomic Structure · All AQA AS-level Chemistry topics