Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing gas sample
Patent
1993-03-05
1995-12-05
Redding, David A.
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Means for analyzing gas sample
436161, 436173, 73 2341, 73 2342, 250425, G01N 3002
Patent
active
054726700
ABSTRACT:
The present invention relates to an improved sample injector for use in gas chromatography. The invention also includes a method of injecting a sample onto a chromatographic column, and a method of analyzing a sample using column chromatography and/or mass spectrometry. The improved sample injector features an arrangement to allow a pyrolytic probe to be more easily inserted into the vaporization cavity while permitting the sample to be volatilized in such a way that the sample is more efficiently introduced onto the column. Another feature of the invention is the use of means to reduce the volume of the pyrolysis/vaporization cavity so as to provide efficient throughput of pure sample. Also part of the present invention is a gas chromatograph and gas chromatograph-mass spectrometer which uses the sample injector of the present invention. The present invention includes methods of sample injection and sample analysis using the aforementioned apparatus of the present invention.
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Harrington Peter de B.
Whittenberg Hans P.
Gray John L.
Ohio University
Redding David A.
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