Through comparing experiments, it was found that this method has special dominance in checking trace biomarkers and in determining nature and fixing quantity of a complex sterane and terpane.

• 色谱-质谱-质谱由于是两级质谱串联比色谱-质谱增加了选择性,有了更强的分离能力,提高了对复杂混合物如甾、萜类化合物定性和定量的可靠性。