High temperature octopole ion guide with coaxially heated rods

Details High temperature octopole ion guide with coaxially heated rods High temperature octopole ion guide with coaxially heated rods

1997-03-31

1998-06-16

Nguyen, Kiet T.

Radiant energy

Ionic separation or analysis

Cyclically varying ion selecting field means

250290, H01J 4942

Patent

active

057675139

ABSTRACT:
A high-temperature octopole/collision apparatus features coaxially heated rf emitting octopole rods coacting with a collision oven cell. The rods are maintained at a slightly higher temperature than the oven cell to prevent condensation of the sample on the poles and to ensure a well characterized operating temperature necessary for absolute cross-section measurements.

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patent: 5459315 (1995-10-01), Aaki
patent: 5561291 (1996-10-01), Kelley et al.
patent: 5578821 (1996-11-01), Meisberger et al.

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