METHOD FOR EXAMINING A GAS BY MASS SPECTROMETRY AND MASS SPECTROMETER
A method for examining a gas by mass spectrometry includes: ionizing the gas for producing ions; and storing, exciting and detecting at least some of the produced ions in an FT ion trap. Producing and storing the ions in the FT ion trap and/or exciting the ions prior to the detection of the ions in...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | A method for examining a gas by mass spectrometry includes: ionizing the gas for producing ions; and storing, exciting and detecting at least some of the produced ions in an FT ion trap. Producing and storing the ions in the FT ion trap and/or exciting the ions prior to the detection of the ions in the FT ion trap includes at least one selective IFT excitation, such as a SWIFT excitation, which is dependent on the mass-to-charge ratio of the ions. The disclosure further relates to a mass spectrometer. A mass spectrometer includes: an FT ion trap; and an excitation device for storing, exciting, and detecting ions in the FT ion trap. |
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