Fragmentation Notes: Definitions & Explanations PDF Download
Study Fragmentation lecture notes PDF with college chemistry definitions and explanation to study What is Fragmentation?. Study fragmentation explanation with college chemistry terms to review chemistry course for online degree programs.
Fragmentation Definition:
Breaking up of a molecule into smaller parts by the breaking of covalent bonds in a mass spectrometer is called fragmentation.
Cambridge International AS and A Level Chemistry by Ryan Lawrie, Roger Norris
Fragmentation Notes:
The term fragmentation is an important part of mass spectrometry. When molecules are passed through a mass spectrometer, some of them reach the detector but many of them break into pieces in different ways. To establish a charge on a molecule, it is important to remove an electron. Removal of that electron is effected through a collision during which energy is transferred from the high-energy electron to the molecule. This energy has to go somewhere. Part of this energy is partitioned into various bond vibrations. Therefore there is a lot of vibration in bonds, until some of them snap completely. The molecular ion breaks apart and forms a fragment ion. In this way the process of fragmentation happens.
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