摘要
电离源是离子迁移谱仪中的关键部件,对样品分子的电离和分离都起着重要的作用。该文简要介绍了一些离子迁移谱电离源的原理和特点,对放射性电离源、电晕放电电离源、光电离源、电喷雾电离源、等离子体电离源、薄膜型场电离源等不同类型的电离源进行了介绍,并对离子迁移谱电离源的未来发展趋势进行了展望。
The ionization sources are key components for ion mobiblity spetrometers. Ionization sources are very important for detection sensitivity, stability, reliability and detection range of IMS. Characteristics of the ionization sources and their ionization principles are introduced in a general way. Several sorts of ionization sources are reviewed such as radioactive sources, corona discharge sources, photoionization, electrospray ionization sources, plasma ionization sources, nanoscale soft-ionization membrane, et al. The development trends of ionization sources for IMS are discussed.
出处
《化学传感器》
CAS
2013年第2期1-8,共8页
Chemical Sensors
关键词
离子迁移谱
电离源
放射源
电晕放电
光电离
电喷雾
等离子体
薄膜场电离
ion mobility spectrometers （IMS）
ionization sources
radioactive
corona discharge
photoionization
electrospray
plasma
soft-ionization membrane
