Mass spectrometer

H - Electricity – 01 – J

Patent

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Details

H01J 49/26 (2006.01) H01J 49/02 (2006.01) H01J 49/40 (2006.01)

Patent

CA 2391060

A mass spectrometer is disclosed comprising an ion mobility spectrometer (4) in combination with a quadropole mass filter (5) is scanned in synchronisation with the pulsing of ions into the ion mobility spectrometer (4) thereby enabling ions having a particular charge state to be preferentially transmitted. Another embodiment replaces the quadropole mass filter (5) with an axial time of flight mass filter and an injection electrode.

La présente concerne un spectromètre de masse comprenant un spectromètre de mobilité ionique (4) combiné à un filtre de masse quadrupolaire (5) qui est balayé en synchronisation avec l'impulsion a pulsation des ions dans le spectromètre de mobilité ionique (4) et, par conséquent, permettant aux ions ayant un état de charge spécifique d'être transmis de manière préférentielle. Une autre réalisation remplace le filtre de masse quadrupolaire (5) avec un de filtre de masse à temps de vol axial et une électrode d'injection.

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