Method and apparatus for the introduction of a vaporizable sampl

Details Method and apparatus for the introduction of a vaporizable sampl Method and apparatus for the introduction of a vaporizable sampl

1987-03-12

1988-03-22

Levy, Stewart J.

Measuring and testing

Sampler, sample handling, etc.

Capture device

7386312, G01N 3506

Patent

active

047320460

ABSTRACT:
This invention is concerned with an apparatus and a method for the introduction of vaporizable samples into an apparatus for the analysis of such samples, such as a gas chromatograph, and especially a capillary gas chromatograph and ion mobility spectrometer. A sample is vaporized or desorbed from a sample tube by heating the sample tube and then transferred by a carrier gas to the analytical apparatus by being withdrawn from the sample tube along and condensed on the inner surface of a heat conductive metal walled needle of a hypodermic syringe from which it is then vaporized and introduced into the analytical apparatus. Suitable samples may also be introduced into an ion mobility spectrometer directly by placing a sample-charged sample tube into a sample-introduction port thereto.

REFERENCES:
patent: 3733908 (1973-05-01), Linenberg
patent: 3918913 (1975-11-01), Stevenson et al.
patent: 4003257 (1977-01-01), Fletcher et al.
patent: 4046014 (1977-09-01), Boehringer et al.
patent: 4128008 (1978-12-01), Linenberg
patent: 4237733 (1980-12-01), Kolb et al.
patent: 4378499 (1983-03-01), Spangler et al.
patent: 4476734 (1984-10-01), Banks et al.
patent: 4527438 (1985-07-01), Fosslien
patent: 4551624 (1985-11-01), Spangler et al.
patent: 4584887 (1986-04-01), Galen

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