Structural Characteristics of Wax in Diesel of Tuha by Spectra

Wax in diesel of Tuha 0~# was determined by urea adduction.The constitute and contents of wax were explored by gas chromatography-mass spectrometry(GC/MS) and ~1H nuclear magnetic resonance(~1H-NMR).The constitute of the wax is separated successfully from each other.Twenty-seven compounds are identified and their relative intensities are confirmed,all of them are saturated hydrocarbons,which including over 95% n-paraffin and C_(11)-C_(19) contents over 76%.Average carbon number of n-paraffin was calculated through ~1H-NMR.The average carbon number is 15.95 and typical characteristic of crude oil of wax is in the diesel.