The hydrocarbon composition and distribution of outcropping oil sand bitumen in Qinghai have been analyzed by gas chromatography (GC) and gas chromatography-mass spectrometer(GC/MS).

• 利用气相色谱(GC)和气相色谱/质谱联机(GC/MS)检测了青海出露油砂沥青的烃类组成与分布。