Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
November 20, 2007
Patent Application Number
10868809
Date Filed
June 17, 2004
Patent Citations Received
Patent Primary Examiner
Patent abstract
A mass spectrometer includes an ion detector positioned upstream of a quadrupole mass filter/analyser. Ions are passed through the quadrupole mass filter/analyser, stored in an ion trap and then passed back through the same mass filter/analyser before being detected by the upstream ion detector. With this arrangement, MS/MS experiments can be performed using an apparatus having only a single mass filter/analyser.
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