Development of a Molecular Beam Mass Spectrometer for Gas Phase Chemical Kinetics and High Resolution Spectroscopy

摘要麦金农9601964研究人员要求为分子束/质谱仪(MB/MS)系统的开发提供学术研究基础设施(ARI)计划的支持，以便获得高温气相过程的测量，以便阐明详细的化学动力学机制，并测量在这些过程中产生的不稳定物种的高分辨率电子光谱。该仪器由电抗器部分、电离器部分和质量分析部分组成。反应堆部分是产生高温物质的地方，将提供一个低压燃烧器、一个流动反应堆和一个激波管作为这些物质的来源。电离器将使用电子碰撞电离和光电离技术，而质量分析仪将使用四极和飞行时间方法。该仪器将主要用于阐明芳烃氧化的机理，并为对这些氧化过程进行详细的化学动力学模型(DCKM)提供输入。***

Abstract McKinnon 9601964 The PIs have requested an Academic Research Infrastructure (ARI) program support for the development of a molecular beam/mass spectrometer (MB/MS) system in order to obtain measurements on high temperature gas-phase processes so that detailed chemical kinetic mechanisms can be elucidated, and also to measure high resolution electronic spectra of unstable species created in these processes. The instrument consists of a reactor section, an ionizer section, and a mass analyzer section. The reactor section, where the high temperature species are generated, will make available a low pressure burner, a flow reactor, and a shock tube as sources of these species. The ionizer will employ both electron impact ionization and photoionization techniques, while the mass analyzer will make use of both quadrupole and time of flight methods. This instrumentation will be used primarily in the elucidation of the mechanisms of aromatics oxidation and to provide input to carry out detailed chemical kinetic modeling (DCKM) of these oxidation processes. ***