System and method for diversion of a liquid chromatography eluant
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United States of America Patent
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May 7, 2013
Grant Date -
May 19, 2011
app pub date -
Aug 22, 2008
filing date -
Aug 24, 2007
priority date (Note) -
Expired
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Abstract
In accordance with an embodiment of the invention, there is provided a method for reducing or eliminating matrix interfering components in a biopharmaceutical product in a liquid chromatography-mass spectrometry system. The method comprises diverting to waste the entire flow of an eluant emerging from liquid chromatography of a sample, for a time period to remove contaminants that cause matrix interference to a degree sufficient to allow a desired accuracy in detection of an extractable; and, after the time period, directing the entire flow of the eluant to a mass spectrometer to detect the presence of the extractable.
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