某日你為同仁自火場中採集的殘跡證物進行分析鑑識,經過氣相層析質譜儀的分析,得到以下氣相層析質譜之總離子層析圖(total ion chromatogram),依據你專業判斷,殘跡證物應含有下列何種易燃性液體?C17C18phytaneC20C19pristaneC16C15AbundanceC14Time→4.00 6.00 8.00 10.00 12.00 14.00 16.00 18.00 20.00 22.00Chromatographic ConditionsInstrument: HP5890 Gas ChromatographInitial Temperature:50C, 2.5 minutesDetector: HP5970 Mass Selective DetectorRate: 15C/minColumn: 30 meter, Rtx-1 (polymethylsiloxane)Final Temperature: 300C, 5.83 minutes0.25mm ID, 0.25 micron film thicknessTotal Run Time: 25.00 minutesSample: 1.0 microliter of 1% solution in pentaneSplit 20:1
(A)去漬油
(B)95 無鉛汽油
(C)高級柴油
(D)煤油