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Orbitrap information


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Ion trajectories in an Orbitrap mass spectrometer

In mass spectrometry, Orbitrap is an ion trap mass analyzer consisting of an outer barrel-like electrode and a coaxial inner spindle-like electrode that traps ions in an orbital motion around the spindle.[1][2] The image current from the trapped ions is detected and converted to a mass spectrum by first using the Fourier transform of time domain of the harmonic to create a frequency signal which is converted to mass.

  1. ^ Makarov A (March 2000). "Electrostatic axially harmonic orbital trapping: a high-performance technique of mass analysis". Analytical Chemistry. 72 (6): 1156–1162. doi:10.1021/ac991131p. PMID 10740853.
  2. ^ Hu Q, Noll RJ, Li H, Makarov A, Hardman M, Graham Cooks R (April 2005). "The Orbitrap: a new mass spectrometer". Journal of Mass Spectrometry. 40 (4): 430–443. Bibcode:2005JMSp...40..430H. doi:10.1002/jms.856. PMID 15838939.

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reflecting telescope and night vision telescope Alexander Makarov, inventor of orbitrap Dmitry Maksutov, inventor of the Maksutov telescope Boris Mamyrin, inventor...

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