Tandem time-of-flight mass spectrometer

Details Tandem time-of-flight mass spectrometer Tandem time-of-flight mass spectrometer

H - Electricity

01

J

H01J 49/40 (2006.01)

Patent

CA 2103038

A tandem time-of-flight mass spectrometer comprises a grounded vacuum housing (7), two reflecting-type mass analyzers (1, 2) coupled via a collision chamber (15) and flight channels (3, 4) electrically floated with respect to the grounded vacuum housing (7). The first reflecting-type mass analyzer (1) receives ionized molecules (ions). These ions pass through the flight chan- nel (3) of the first reflecting-type mass analyzer (1) and are fragmented in the collision chamber (15). The fragmented ions pass through the flight channel (4) of the second reflecting-type mass analyzer (2). Detectors (03, 04) disposed in the collision chamber (15) and in the second reflecting-type mass analyzer (2) detect the spectrum of the first reflecting-type mass analyzer (1) and the spectra of the tandem time-of-flight mass analyzer (100) respectively.

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