Micromachined gas chromatography columns for fast separation of Organophosphonate and Organosulfur compounds and methods for deactivating same
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United States of America Patent
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Apr 10, 2012
Grant Date -
Aug 27, 2009
app pub date -
Dec 18, 2008
filing date -
Jan 16, 2008
priority date (Note) -
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Abstract
Improved microcolumns and methods for producing microcolumns particularly suitable for use in gas chromatographs are disclosed. In particular, following deposition of the stationary phase coating, the microcolumns are subjected to a postcoating treatment with a molecule that binds to the active sites in the stationary phase column thereby eliminating or reducing loss of gas chromatograph performance associated with those active sites. The postcoating treatment molecule binds to the same active sites as the analytes of interest.
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