G - Physics – 01 – N
Patent
G - Physics
01
N
73/93
G01N 30/12 (2006.01)
Patent
CA 1148764
"HIGH TEMPERATURE INJECTION AND VAPORIZATION SYSTEM FOR GAS CHROMATOGRAPHY" ABSTRACT Sample injection and vaporization system for gas chromatography is capable of continuous injection of a liquid hydrocarbon sample in the -44°F. to 1074°F. boiling range from a closed system such as a flowing liquid stream or high pressure sample bomb. The system overcomes the temperature limitations inherent in the seals of existing sample valves and utilizes a syringe to transport a liquid sample from the sample stream to a hot vaporization zone through which a carrier gas is flowing. Insu- lating means keep the sample block containing the seals, including one which is contacted by both the carrier gas and sample stream, at a sufficiently low temperature to protect the seals.
363693
Franke Francis H.
Sampson Robert W.
Macrae & Co.
Uop Inc.
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