传感技术学报2018，Vol.31Issue(6)：887-890,4.DOI:10.3969/j.issn.1004-1699.2018.06.013
一种用于平板型FAIMS的电晕放电离化源
A Corona Discharge Ionization Source for the Planar FAIMS
摘要
Abstract
A corona discharge ionization source is designed for planar FAIMS,which consists of corona needle,mo-lybdenum mesh,copper base and PTFE cylinder. The corona needle is made from tungsten wire with a diameter of 0.5 mm through electrolytic processing with conditions setting as electrolysis voltage at 6 V,the electrolyte NaOH (1 mol/L) and duration time160 s. The voltage-current characteristics of the corona discharge ionization source were observed at pin-grid distance between 2 mm~8 mm,where the correlation between discharge voltage( kV) and the current/voltage( μA/kV) is approximately linear. The FAIMS spectra of DMMP were measured at discharge currents between 1 μA~40 μA,which can be observed that both the reaction ion peak and the DMMP ion peak increased with the discharge current.关键词
高场非对称波形离子迁移率谱/电晕放电/离子源/甲基膦酸二甲酯Key words
FAIMS/Corona Discharge/Ionization source/DMMP分类
信息技术与安全科学引用本文复制引用
赵东杰,刘军,丁庆行,周明,马廷伟..一种用于平板型FAIMS的电晕放电离化源[J].传感技术学报,2018,31(6):887-890,4.基金项目
北京高校物流技术工程研究中心项目(BJLE2010) （BJLE2010）
北京物资学院青年科研基金项目(2014XJQN15) （2014XJQN15）
