Is a
Patent attributes
Patent Applicant
0
Patent Jurisdiction
Patent Number
Patent Inventor Names
Jon A. Nichols0
Marc D. Foster0
Date of Patent
May 10, 2005
0Patent Application Number
098351980
Date Filed
April 13, 2001
0Patent Citations Received
Patent Primary Examiner
Patent abstract
While a large primary stream (24) of analytes flow from a chromatographic column (20) to containers of a receiver (108), small samples of the analytes are diverted for flow to a mass spectrometer (54) for analysis, by use of a transfer module (102). The transfer module includes a stator (110) and a rotor or shuttle (114). The shuttle has an aliquot passage (120) that initially lies in a first position where the primary stream flows through it so the aliquot passage receives a small sample. The shuttle then moves to a second position where the aliquot passage (at 122) is aligned with a pump (134) that pumps fluid out of the aliquot passage to the mass spectrometer.
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