Method and system for monitoring for the presence of phosphate esters in jet fuel
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United States of America Patent
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Apr 23, 2013
Grant Date -
Apr 12, 2012
app pub date -
Oct 6, 2010
filing date -
Oct 6, 2010
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Abstract
There is provided a method of monitoring for the presence of phosphate esters in jet fuel. The method comprises obtaining from a jet fuel source a jet fuel test sample suspected of containing phosphate esters. The method further comprises combining the jet fuel test sample with a polar solvent and a nonpolar solvent to form a mixture. The method further comprises agitating the mixture. The method further comprises extracting the polar solvent from the mixture. The method further comprises performing a combined gas chromatography and mass spectrometer analysis of the polar solvent to monitor for the presence of any phosphate esters and to obtain an actual concentration level of any phosphate esters. The method further comprises comparing the actual concentration level of any phosphate esters with a calibration standard concentration of phosphate esters in clean jet fuel.
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