Patent ID: 8723109
Filing Date: 2014-05-13
Classification: G01N,H01J

Abstract:
1. An ion source housing for a dual source mass spectrometry system, the ion source housing for detachable connection of a gas chromatography interface probe to a mass spectrometer of the system, the ion source housing comprising an ion source chamber having an outlet port for connection to a vacuum region of a mass spectrometer, a sample port for receiving a gas chromatography [GC] column and means for charging analyte molecules discharged from said GC column, wherein the housing comprises a docking means by which a GC interface probe can be releasably engaged with the housing, the docking means comprising (i) a docking nozzle in the housing to receive the GC interface probe and (ii) locking means provided by the nozzle for co-operation with complementary locking means provided by the GC interface probe by which the probe is progressively drawn into the docking nozzle and releasably locked in position.