Abstract
The development of an analytical method for quantification of thermally labile organic hydroperoxides in jet fuel via reaction with triphenylphosphine (TPP) is explored. The primary goal of this work is to devise a technique for hydroperoxide detection in jet fuel, for use in fuel oxidation studies, that will use only small sample volumes (<1 mL), have a low detection limit (<0.02 mM), have a broad dynamic range, and be fast, reproducible, and accurate. The reported technique uses the reaction of TPP with hydroperoxides to form triphenylphosphine oxide (TPPO) and the subsequent alcohol, which proceeds rapidly in jet fuel (less than 1 min) at ambient conditions. Elemental sulfur was used prior to analysis as a novel means to prevent the oxidation of TPP during chromatographic analysis by converting excess TPP into triphenylphosphine sulfide (TPPS) via another rapid, ambient condition reaction. Gas chromatographic (GC) analysis with flame ionization detection (FID) was used to quantify the resulting TPPO an...
Published Version
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