Heating system for GC/MS instruments

Details Heating system for GC/MS instruments Heating system for GC/MS instruments

1987-07-07

1989-02-14

Fields, Carolyn E.

Radiant energy

Ionic separation or analysis

With sample supply means

250281, 250282, H01J 4904

Patent

active

048048399

ABSTRACT:
In a gas chromatograph/mass spectrometer (GC/MS) instrument, an improved heating system includes an interface between the gas chromatograph and mass spectrometer portions of the instrument, a radiator located within a vacuum chamber of the mass spectrometer, a thermal coupler attaching the interface to the radiator, and a heat source which directly heats the interface and indirectly heats the radiator via conduction through the thermal coupler. The heating system uses a single heating element located externally to the vacuum system of the mass spectrometer to produce a multiplicity of temperatures for the interface and various portions of the mass spectrometer.

REFERENCES:
patent: 4298795 (1981-11-01), Takeuchi et al.
patent: 4484061 (1984-11-01), Zelinka et al.

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