Sample supply device

Details Sample supply device Sample supply device

1979-02-14

1980-07-22

Goldberg, Gerald

Measuring and testing

Gas analysis

Gas chromatography

250288, G01N 3108

Patent

active

042133262

ABSTRACT:
A sample introduction device for introducing a vaporized sample to the ion source of a mass spectrometer of a combined gas chromatography-mass spectrographic (GC/MS) apparatus. The sample introduction device replaces the jet separator of the GC/MS apparatus. The sample introduction device includes a sample holding tube which is releasably attachable to the isolation valve between the gas chromatography column and the mass spectrometer of the GC/MS apparatus. The sample introduction device includes means for connecting the sample holding tube to a vacuum source by means of a valve so that the sample holding tube can be evacuated prior to connecting the sample holding tube through the isolation valve to the ion source of the mass spectrometer.

REFERENCES:
patent: 3997298 (1976-12-01), McLafferty et al.

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