Electrospray Emitter Assembly
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United States of America Patent
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Issued Date -
Feb 20, 2014
app pub date -
Mar 5, 2012
filing date -
Mar 10, 2011
priority date (Note) -
Abandoned
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Abstract
An electrospray emitter assembly (4) for an interface device (1) used to connect the output of a liquid chromatograph to the inlet of an electrospray ion source of a mass spectrometer (10). The device (1) incorporates an electrospray emitter assembly (4) that includes an emitter needle (40), a sheath (6) and a housing (5) with an attachment means in the form of a flange (55) for attachment to a mass spectrometer (10). The sheath (6) is arranged to shield the electrospray emitter needle (40) when the assembly is not attached to a mass spectrometer (10). The assembly (4) is operable to move the sheath (6) thereby to reveal, in use, the electrospray emitter needle (40) when the assembly (4) is attached to the mass spectrometer (10).
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