Device for delivery of multiple liquid sample streams to a mass spectrometer
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United States of America Patent
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-
Feb 20, 2001
Grant Date -
N/A
app pub date -
Apr 29, 1998
filing date -
Mar 27, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An electrospray apparatus employing multiple electrospray needles mounted on a rotatable plate sequentially delivers multiple sample streams to a mass spectrometer for analysis. The electrospray device includes an electrospray chamber, a rotatable needle supporting plate, a plurality of electrospray needles mounted on the plate, and a charger for applying a charge to droplets delivered to the electrospray chamber by the needles. The rotatable electrospray apparatus provides fast repetitive screening of simultaneously operating chromatography columns with a single mass spectrometer.
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