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Infrared multiphoton dissociation
Infrared multiphoton dissociation (IRMPD) is a technique used in mass spectrometry to fragment molecules in the gas phase usually for structural analysis of the original (parent) molecule. [1] Additional recommended knowledgeHow it worksAn infrared laser is directed through a window into the vacuum of the mass spectrometer where the ions are. The mechanism of fragmentation involves the absorption by a given ion of multiple infrared photons. The parent ion becomes excited into more energetic vibrational states until a bond(s) is broken resulting in gas phase fragments of the parent ion. IRMPD is most often used in Fourier transform ion cyclotron resonance mass spectrometry.[2] See also
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This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Infrared_multiphoton_dissociation". A list of authors is available in Wikipedia. |