Analysis of trace gases at ppb levels by proton transfer reaction mass spectrometry (PTR-MS)

被引：61

作者：

Lindinger, W

Hansel, A

机构：

[1] Institut für Ionenphysik, Leopold Franzens Universität Innsbruck, A-6020 Innsbruck

来源：

PLASMA SOURCES SCIENCE & TECHNOLOGY | 1997年 / 6卷 / 02期

关键词：

D O I：

10.1088/0963-0252/6/2/004

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

A proton transfer reaction mass spectrometry (PTR-MS) system has been developed which allows for on-line measurements of trace gas components with concentrations as low as I ppb. The method is based on reactions of H3O+ ions, which perform non-dissociative proton transfer to most of the common organic trace constituents but do not react with any of the components present in clean air. Examples of medical applications by means of breath analysis, examples of environmental trace gas analysis and examples in the field or food chemistry demonstrate the wide applicability of the method.

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页码：111 / 117

页数：7

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