Atmospheric pressure ionization with optimized drying gas flow

Details Atmospheric pressure ionization with optimized drying gas flow Atmospheric pressure ionization with optimized drying gas flow

2006-12-05

2006-12-05

Nguyen, Kiet T. (Department: 2881)

Radiant energy

Ionic separation or analysis

With sample supply means

C250S42300F, C250S425000

Reexamination Certificate

active

07145136

ABSTRACT:
An apparatus for use in atmospheric pressure ionization includes a sample receiving chamber, a sample droplet source communicating with the sample receiving chamber, an outlet conduit, and a boundary. The outlet conduit defines a sampling orifice that communicates with the sample receiving chamber. The boundary is interposed between the sample receiving chamber and the sampling orifice and comprises an opening. The opening defines a first passage through which a drying gas is flowable into the sample receiving chamber in an elongated flow profile, and a second passage through which sample material is flowable from the sample receiving chamber toward the sampling orifice. The first passage is positioned in non-coaxial relation to the second passage. The first passage is configured to introduce the elongated flow profile of the drying gas into a pathway of droplets of the sample material flowing toward the second passage.

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patent: WO 02/082073 (2002-10-01), None
patent: WO 02/082073 (2002-10-01), None

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