石油组分高分辨质谱分析进展与展望

石油是一种复杂体系,研究石油分子组成是分析化学领域的经典难题.近年来,傅里叶变换离子回旋共振质谱技术(Fourier transform ion cyclotron resonance mass spectrometry,FT-ICR MS)的发展,为从分子水平认识石油组成提供了机会,引起了石油化学界的高度关注,并被期待能在石油、石化领域的相关研究中实现重大突破.本文从质谱分辨率和电离技术方面介绍了石油样品的分析需求,总结了近几年基于FT-ICR MS技术对石油分子组成的研究进展,分析了其在应用中存在的关键技术问题及下一步研究方向,并对FT-ICR MS的发展前景给予展望.

Progress and prospect on petroleum analysis by Fourier transform ion cyclotron resonance mass spectrometry

Petroleum is an ultra-complex hydrocarbon system. Characterization of petroleum has been challenging for the analytical chemistry community. The recent development of Fourier transform ion cyclotron resonance mass spectrometry （FT-ICR MS） enables the characterization of petroleum molecular composition. This new technique provides new insights on petroleum chemistry which can result in technological breakthroughs in petroleum and petrochemical industries. In this paper, the mass resolving power and ionization techniques required in mass spectrometry for petroleum analysis are summarized, the advances in FT-ICR MS for petroleum analysis are discussed, and the technique challenges and the further research issues are discussed. What＇s more, the prospective of using FT-ICR MS technique for petroleum characterization and its application to petroleum research are also included.