Identification and quantification of trace oxygenated compounds in alternative jet fuels: Fluorescence methods for fast detection of phenolic compounds in operational field conditions

•Small quantity of oxygenated compounds in jet fuel is responsible for poor thermal stability.•Quantification of trace oxygenated species is conducted by solid phase extraction (SPE)•Fuel matrix influences Rhodamine B (Rh-B) UV fluorescence quenching.•A new method based on SPE and Rh-B UV fluorescence quenching is developed to identify oxygenate compounds in jet fuels.•The method developed allows the fast detection of trace oxygenated molecules in jet fuel at operational field conditions.