Use of an Open Port Sampling Interface Coupled to Electrospray Ionization for the On-Line Analysis of Organic Aerosol Particles

被引：17

作者：

Swanson, Kenneth D. ^{[1
]}

Worth, Anne L. ^{[1
]}

Glish, Gary L. ^{[1
]}

机构：

[1] Univ N Carolina, Dept Chem, Caudill Labs, Chapel Hill, NC 27599 USA

来源：

JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY | 2018年 / 29卷 / 02期

关键词：

Aerosol; Ambient ionization; Pyrolysis; MASS-SPECTROMETRY ANALYSIS; CHEMICAL-CHARACTERIZATION; EESI-MS; PROBE; CLASSIFICATION; ISOPRENE; SURFACES; GASES;

D O I：

10.1007/s13361-017-1776-y

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

A simple design for an open port sampling interface coupled to electrospray ionization (OPSI-ESI) is presented for the analysis of organic aerosols. The design uses minimal modifications to a Bruker electrospray (ESI) emitter to create a continuous flow, self-aspirating open port sampling interface. Considerations are presented for introducing aerosol to the open port sampling interface including aerosol gas flow and solvent flow rates. The device has been demonstrated for use with an aerosol of nicotine as well as aerosol formed in the pyrolysis of biomass. Upon comparison with extractive electrospray ionization (EESI), this device has similar sensitivity with increased reproducibility by nearly a factor of three. The device has the form factor of a standard Bruker/Agilent ESI emitter and can be used without any further instrument modifications.

引用

页码：297 / 303

页数：7

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