Apparatus and method

An ion guide assembly 1 for a mass spectrometer is described. The ion guide assembly 1 comprises a collision / reaction cell 10, CRC, comprising an enclosure 12 having a first multipole RF ion guide 11 enclosed radially therein and a set of gas inlets, including a first gas inlet, therethrough. A fi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Matt Hockley, Anthony Michael Jones, Zenon Palacz
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:An ion guide assembly 1 for a mass spectrometer is described. The ion guide assembly 1 comprises a collision / reaction cell 10, CRC, comprising an enclosure 12 having a first multipole RF ion guide 11 enclosed radially therein and a set of gas inlets, including a first gas inlet, therethrough. A first ion energy filter 100 disposed upstream of the CRC 10 is provided to prevent ions having an ion energy below a first predetermined threshold from entering the CRC 10.