TEMPERATURE EFFECT OF ION MOLECULE REACTIONS IN A WATER MOLECULAR-BEAM CROSSED BY AN ELECTRON-BEAM

被引：6
|
作者：
MICHALAK, L
ADAMCZYK, B
MARCINKOWSKA, E
机构：
[1] Institute of Physics, Maria Curie-Skłodowska University
来源：
INTERNATIONAL JOURNAL OF MASS SPECTROMETRY AND ION PROCESSES | 1991年 / 107卷 / 01期
关键词：
D O I：
10.1016/0168-1176(91)85070-3
中图分类号：
O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号：
070203 ; 070304 ; 081704 ; 1406 ;
摘要：
An effusive water molecular beam emitted by a cylindrical capillary was ionized by a transverse electron beam (energy 100 eV) just above the capillary outlet. This system was an open ion source of a cycloidal mass spectrometer. The temperature of the effusion capillary was varied from 343-873 K, and the pressure of the molecular beam from 0-0.5 Pa. Primary ionization processes and ion/molecule reactions were recorded directly, free from the effects of walls and slots which are characteristic of conventional systems used for investigating ionization processes. Secondary H3O+ ion production as a function of temperature and pressure of a water beam was examined.
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页码：9 / 16
页数：8
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