Gas chromatography system and method
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United States of America Patent
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Oct 30, 2012
Grant Date -
Sep 3, 2009
app pub date -
Mar 30, 2006
filing date -
Dec 12, 2005
priority date (Note) -
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Abstract
The invention relates to a gas chromatography system for the direct coupling of liquid chromatography and gas chromatography or for the introduction of large sample volumes, which is configured to operate selectively in a retention mode. The inventive system includes a tube (2) having a first inlet part (21), a second inlet part (22) and a retention part (3) between said two inlet parts. The system also includes two gas delivery subsystems (6, 7) and a sample introduction conduit (101) which is connected to the first inlet part (21). The system further includes a discharge conduit (9) and a gas chromatography column (300), both of which are connected to the second inlet part (22). The invention also relates to a gas chromatography method.
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