Mass spectrometer inlet with reduced average flow
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United States of America Patent
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Jun 13, 2017
Grant Date -
Jun 23, 2016
app pub date -
Jul 7, 2014
filing date -
Jul 19, 2013
priority date (Note) -
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Abstract
An interface configured to transfer ions produced at or near atmospheric pressure conditions into a mass spectrometer for mass analysis is provided. The interface includes a first conduit including an inlet configured to receive a fluid containing the ions and an outlet configured to direct the fluid containing the ions into the mass spectrometer. The first conduit defines a first flow path extending from the inlet to the outlet. The interface includes a pump. The interface includes a second conduit. The second conduit includes an inlet. The second conduit defines a second flow path extending from a location between the inlet and the outlet of the first conduit to an outlet of the second conduit. The pump is configured to divert a portion of the fluid including the ions moving in the first flow path to the second flow path.
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