Mass filter having reduced contamination

A mass filter (for example a quadrupole mass filter 4) has a DC resolving voltage applied thereto, wherein the polarity of the DC resolving voltage may be reversed automatically between different experiments but not reversed during an experiment. This may result in reversal of the direction in which...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	David J Langridge, Martin Raymond Green
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS ELECTRICITY
Online-Zugang:	Volltext bestellen
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