G - Physics – 01 – N
Patent
G - Physics
01
N
73/93, 73/99
G01N 1/10 (2006.01) G01N 1/00 (2006.01) G01N 30/02 (2006.01) G01N 30/18 (2006.01)
Patent
CA 1223461
TITLE A METHOD AND APPARATUS FOR THE INTRODUCTION OF A VAPOURIZED SAMPLE INTO AN ANALYTICAL TEST APPARATUS INVENTORS André H. Lawrence Lorne Elias ABSTRACT OF DISCLOSURE This invention is concerned with an apparatus and a method for the introduction of vapourized 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 vapourized 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a sample tube by heating the sample tube and then transferred by a carrier gas to the analytical apparatus by being withdrawn from the sample tube along and condensed on the inner surface of a heat conductive metal walled needle of a hypodermic syringe from which it is then vapourized 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.
473884
Elias Lorne
Lawrence Andre H.
National Research Council Of Canada
Thomson Alan A.
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